Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 25
Filtrar
1.
Benef Microbes ; 12(3): 211-213, 2021 Jun 15.
Artigo em Inglês | MEDLINE | ID: mdl-34057052

RESUMO

Until now it has been Professor Elie Metchnikoff, a Russian researcher and scientist, who has been considered the discoverer of probiotics. In the early 20th century he associated the longevity and good health of Caucasian peasants with their consumption of a type of yoghurt containing strains of Lactobacillus acidophilus which were supposed to destroy the harmful microbiota of the intestines. However, at least a dozen years prior to Metchnikoff, a Polish doctor and scientist Dr. Józef Brudzinski planned, conducted and described a study in which he applied a Bacillus lactis aërogenes suspension in treatment of infants with acute infectious diarrhoea. Here, we briefly characterise this study. Undoubtedly, apart from his fame as the neurologist who described meningeal symptoms, he deserves to be regarded as the true 'Father of probiotics'.


Assuntos
Médicos , Probióticos/história , Probióticos/uso terapêutico , Gastroenteropatias/microbiologia , Gastroenteropatias/terapia , Microbioma Gastrointestinal , História do Século XIX , Humanos , Lactobacillus , Médicos/história , Polônia , Literatura de Revisão como Assunto , Resultado do Tratamento
4.
Ann Intern Med ; 166(2): 133-138, 2017 Jan 17.
Artigo em Inglês | MEDLINE | ID: mdl-28114473

RESUMO

In recent medical and popular literature, audiences have been asked to consider whether antibiotics have contributed to the rising obesity epidemic. Prominent magazines have stated that weight may be adversely affected by antibiotics that destroy existing microbiomes and replace them with less helpful ones. However, there is a long history of efforts to investigate the relationship between antibiotics and human weight gain. In the early 1950s, amid initial findings that low doses of antibiotics served as growth promoters in animal livestock, investigators explored the role of antibiotics as magic bullets for human malnutrition. Nevertheless, early enthusiasm was tempered by controlled studies showing that antibiotics did not serve as useful, nonspecific growth promoters for humans. In subsequent decades, against the backdrop of rising concern over antibiotic resistance, investigators studying the role of antibiotics in acute malnutrition have had to navigate a more complicated public health calculus. In a related historical stream, scientists since the 1910s have explored the role of the intestinal microflora in human health. By the 2000s, as increasing resources and more sophisticated tools were devoted to understanding the microbiome (a term coined in 2001), attention would turn to the role of antibiotics and the intestinal microflora in the rising obesity epidemic. Despite scientific and commercial enthusiasm, easy answers (whether about antibiotics or probiotics) have again given way to an appreciation for the complexity of human growth. History encourages caution about our hopes for simplistic answers for presumed "fat drugs" and slimming probiotics alike.


Assuntos
Antibacterianos/história , Aumento de Peso , Animais , Antibacterianos/efeitos adversos , Antibacterianos/uso terapêutico , História do Século XX , História do Século XXI , Humanos , Desnutrição/tratamento farmacológico , Desnutrição/história , Probióticos/história , Probióticos/uso terapêutico , Aumento de Peso/efeitos dos fármacos
5.
Microb Pathog ; 106: 162-170, 2017 May.
Artigo em Inglês | MEDLINE | ID: mdl-27836763

RESUMO

Antibiotics, prebiotics and probiotics are widely used as growth promoters in agriculture. In the 1940s, use of Streptomyces aureofaciens probiotics resulted in weight gain in animals, which led to the discovery of chlortetracycline. Tetracyclines, macrolides, avoparcin and penicillins have been commonly used in livestock agriculture to promote growth through increased food intake, weight gain, and improved herd health. Prebiotic supplements including oligosaccharides, fructooligosaccharides, and galactosyl-lactose improve the growth performance of animals. Probiotics used in animal feed are mainly bacterial strains of Gram-positive bacteria and have been effectively used for weight gain in chickens, pigs, ruminants and in aquaculture. Antibiotics, prebiotics and probiotics all modify the gut microbiota and the effect of a probiotic species on the digestive flora is probably determined by bacteriocin production. Regulations governing the introduction of novel probiotics and prebiotics vary by geographical region and bias is very common in industry-funded studies. Probiotic and prebiotic foods have been consumed for centuries, either as natural components of food, or as fermented foods and it is possible to cause the same weight gain effects in humans as in animals. This review presents the use of growth promoters in food-producing animals to influence food intake and weight gain.


Assuntos
Antibacterianos , Microbioma Gastrointestinal , Prebióticos , Probióticos , Aumento de Peso , Ração Animal/microbiologia , Animais , Antibacterianos/uso terapêutico , Aquicultura , Galinhas/crescimento & desenvolvimento , Ingestão de Alimentos , Fermentação , Microbiologia de Alimentos , Glicopeptídeos/uso terapêutico , Bactérias Gram-Positivas , Substâncias de Crescimento , História do Século XX , História do Século XXI , Humanos , Lactobacillus , Macrolídeos/uso terapêutico , Obesidade , Oligossacarídeos/metabolismo , Penicilinas/uso terapêutico , Aves Domésticas/crescimento & desenvolvimento , Probióticos/história , Probióticos/uso terapêutico , Ruminantes/crescimento & desenvolvimento , Streptomyces aureofaciens , Suínos/crescimento & desenvolvimento , Tetraciclinas/uso terapêutico
6.
J Clin Gastroenterol ; 50 Suppl 2, Proceedings from the 8th Probiotics, Prebiotics & New Foods for Microbiota and Human Health meeting held in Rome, Italy on September 13-15, 2015: S116-S119, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27741152

RESUMO

Gut microbiota promotes healthy effects on the host and prevents diseases. Probiotic (probios, for life) are defined as "live microorganisms which when administered in adequate amounts confer a health benefit on the host." At the beginning of 1900s Louis Pasteur identified the microorganisms responsible for the process of fermentation, whereas E. Metchnikoff associated the enhanced longevity of Bulgarian rural people to the regular consumption of fermented dairy products such as yogurt. He suggested that lactobacilli might counteract the putrefactive effects of gastrointestinal metabolism that contributed to illness and aging. Hippocrates declared, 2000 years earlier, that "death sits in the bowels." Metchnikoff considered the lactobacilli as probiotics ("probios," conducive to life of the host as opposed to antibiotics); probiotics could have a positive influence on health and prevent aging. During the neolitic period of the age of the stone, the domestication of animals occurred and man began to get fermented food. Probably serendipitous contaminations in favorable environments played a major role. Fecal microbiota transplantation dates to a fourth-century Chinese handbook for food poisoning or severe diarrhea. To date fecal transplant cures Clostridium difficile infections with more efficacy than vancomycin, and prevents recurrence.


Assuntos
Transplante de Microbiota Fecal/história , Microbioma Gastrointestinal , Trato Gastrointestinal/microbiologia , Probióticos/história , História do Século XX , História Antiga , Humanos
7.
FEMS Microbiol Lett ; 363(19)2016 10.
Artigo em Inglês | MEDLINE | ID: mdl-27619890

RESUMO

Among the gram-negative microorganisms with probiotic properties, Escherichia coli strain Nissle 1917 (briefly EcN) is probably the most intensively investigated bacterial strain today. Since nearly 100 years, the EcN strain is used as the active pharmaceutical ingredient in a licensed medicinal product that is distributed in Germany and several other countries. Over the last few decades, novel probiotic activities have been detected, which taken together are specific of this versatile E. coli strain. This review gives a short overview on the discovery and history of the EcN strain.


Assuntos
Antibiose , Escherichia coli/fisiologia , Probióticos , Escherichia coli/isolamento & purificação , Microbioma Gastrointestinal , Trato Gastrointestinal/microbiologia , Alemanha , História do Século XX , Humanos , Probióticos/administração & dosagem , Probióticos/história , Pesquisa Translacional Biomédica/história
8.
Benef Microbes ; 6(2): 159-65, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-25576593

RESUMO

Probiotic, a word derived from Latin, means 'for life'. A long time before the awareness of probiotic microorganisms, fermented products, such as beer, bread, wine, kefir, kumis and cheese had been very frequently used for nutritional and therapeutic purposes. It is widely believed that fermented products were probably found, or better to say, discovered spontaneously. The legend tells that yoghurt is most likely resulted from a fermentation process within the animal skin bags used for transportation of water and milk in regions with low humidity and high temperatures (Middle Asia and Middle East). The history of probiotics goes paralel with the evolution of human race and, thanks to the sophisticated techniques at the moment, can be traced back to the ancient times, nearly 10,000 years ago. The aims of this review are to highlight the important events for probiotic history, to correct the widely available anonymous misinformation in the literature and to remind to the readers important characters in its history.


Assuntos
Bactérias/metabolismo , Probióticos/história , Animais , Bactérias/genética , Bactérias/isolamento & purificação , Fermentação , História do Século XV , História Antiga , História Medieval , Humanos , Probióticos/análise , Probióticos/uso terapêutico
9.
J Perinat Med ; 43(5): 627-35, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-24706425

RESUMO

This paper describes historic steps in feeding techniques and knowledge on the nutritional needs of premature infants. Devices to overcome weak sucking and swallowing were developed from 1851 to 1920, including tube feeding by gavage, medicine droppers and pipettes, feeding bottles with an air inlet, and beaked spoons for nasal feeding. Indwelling nastrogastric tubes were in use from 1951. For alleged safety concerns in the 1950s, postnatal feeding was postponed until a week of starvation was reached, and studies showed an association with neurological handicaps. The premature infant's elevated need for energy, protein, and minerals has been established since 1919. However, these remained controversial, and nutritional practices continued to lag behind theoretical knowledge. Concentrated formula was developed in the 1940s, parenteral supplementation in the 1960s, and human milk fortifiers in the 1970s. In the 1990s, necrotizing enterocolitis was found to be more frequent in infants who were fed formula than in those who were fed human milk. Recently, probiotics were shown to reduce the risk of necrotizing enterocolitis. Nevertheless, compared with other aspects of neonatal medicine, there is still remarkably little evidence on how to feed preterm infants.


Assuntos
Ciências da Nutrição Infantil/história , Ciências da Nutrição Infantil/instrumentação , Ciências da Nutrição Infantil/métodos , Nutrição Enteral/história , Nutrição Enteral/instrumentação , Nutrição Enteral/métodos , Enterocolite Necrosante/história , Enterocolite Necrosante/prevenção & controle , História do Século XIX , História do Século XX , História do Século XXI , Humanos , Fórmulas Infantis/química , Fórmulas Infantis/história , Fenômenos Fisiológicos da Nutrição do Lactente/história , Recém-Nascido , Recém-Nascido Prematuro , Leite Humano , Necessidades Nutricionais , Probióticos/história , Probióticos/uso terapêutico
11.
Antonie Van Leeuwenhoek ; 106(1): 141-56, 2014 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-24748373

RESUMO

For thousands of years, humans have safely consumed microorganisms through fermented foods. Many of these bacteria are considered probiotics, which act through diverse mechanisms to confer a health benefit to the host. However, it was not until the availability of whole-genome sequencing and the era of genomics that mechanisms of probiotic efficacy could be discovered. In this review, we explore the history of the probiotic concept and the current standard of integrated genomic techniques to discern the complex, beneficial relationships between probiotic microbes and their hosts.


Assuntos
Bactérias/genética , Pesquisa Biomédica/história , Probióticos/história , Bactérias/classificação , Bactérias/isolamento & purificação , Bactérias/metabolismo , Cantaxantina/história , Genômica/história , História do Século XIX , História do Século XX , História do Século XXI , Humanos , Probióticos/química
12.
FEMS Microbiol Lett ; 349(2): 77-87, 2013 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-24152174

RESUMO

Lactobacillus acidophilus is a commercially significant bacterial probiotic, originally isolated from the human gastrointestinal tract and designated Bacillus acidophilus in 1900. Throughout the development of methods to identify and characterise bacteria, L. acidophilus has undergone multiple taxonomic revisions and is now the type species of a phylogenetic subgroup in the highly diverse and heterogeneous Lactobacillus genus. As a result of the limitations of differentiating phenotypically similar species by morphological and biochemical means and revisionary nature of Lactobacillus taxonomy, the characterisation of L. acidophilus has struggled with misidentification and misrepresentation. In contrast, due to its global use as a probiotic supplement in functional foods, L. acidophilus sensu stricto is now one of the most well-characterised Lactobacillus species. Here, we establish the provenance of L. acidophilus strains, unpicking historical and current misidentifications of L. acidophilus, and reviewing the probiotic, genomic and physiological characteristics of this important Lactobacillus species.


Assuntos
Lactobacillus acidophilus/classificação , Probióticos/história , Microbiologia de Alimentos/história , História do Século XIX , História do Século XX , História do Século XXI , Humanos , Lactobacillus/classificação , Lactobacillus/genética , Lactobacillus acidophilus/genética , Probióticos/classificação
14.
Perionews ; 7(1): 18-24, 2013.
Artigo em Português | LILACS, BBO - Odontologia | ID: lil-689048

RESUMO

Com o avanço da ciência nas últimas décadas, a Odontologia tem evoluído de forma rápida, abrangente e com grande embasamento científico. Graças a diversos achados nas áreas básicas, onde descobertas laboratoriais podem vir a se converter em ferramentas de grande utilidade clínica, as bactérias denominadas “probióticos” representam um campo de pesquisa promissor, além de um possível instrumento para auxílio na prática clínica. O objetivo desse trabalho de revisão da literatura foi introduzir o assunto ou atualizar os cirurgiões-dentistas sobre o conceito de probióticos e em especial a sua relação com a doença periodontal e a prática clínica da Periodontia. O trabalho também abordou as aplicações atuais dos probióticos e as perspectivas para seu uso futuro na Odontologia, proporcionando uma visão geral sobre o tema, mostrando o histórico, as mudanças conceituais, os principais tipos de probióticos, as funções dos mesmos no organismo, além de uma revisão contendo trabalhos clínicos com achados relevantes sobre o tema, que exemplificam a situação atual desse campo promissor de pesquisa. Os resultados dos estudos avaliados levam a conclusão que os probióticos apresentam um efeito anti-inflamatório, antimicrobiano e que auxiliam a inibir a formação de placa. Sendo assim, futuramente, poderemos contar com mais um instrumento para auxiliar no controle dos pacientes periodontais.


Assuntos
Boca/microbiologia , Doenças Periodontais/terapia , Microbiologia , Saúde Bucal , Periodontia , Probióticos , Probióticos/história , Probióticos/uso terapêutico
15.
Poult Sci ; 90(11): 2663-9, 2011 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-22010256

RESUMO

Applications of antimicrobials in food production and human health have found favor throughout human history. Antibiotic applications in agricultural and human medical arenas have resulted in tremendous increases in food animal production and historically unprecedented gains in human health protection. Successes attributed to widespread antibiotic use have been accompanied by the inadvertent emergence of antibiotic-resistant bacteria. A major problem associated with this emerging resistance is the crossover use of some antibiotics in agricultural settings as well as in the prevention and treatment of human disease. This outcome led to calls to restrict the use of human health-related antibiotics in food animal production. Calls for restricted antibiotic use have heightened existing searches for alternatives to antibiotics that give similar or enhanced production qualities as highly reliable as the antibiotics currently provided to food animals. Agricultural and scientific advances, mainly within the last 100 yr, have given us insights into sources, structures, and actions of materials that have found widespread application in our modern world. The purpose of this presentation is to provide a historic perspective on the search for what are generally known as antibiotics and alternative antimicrobials, probiotics, prebiotics, bacteriophages, bacteriocins, and phytotherapeutics.


Assuntos
Criação de Animais Domésticos/história , Antibacterianos/história , Prebióticos/história , Probióticos/história , Ração Animal , Animais , Antibacterianos/administração & dosagem , Infecções Bacterianas/história , Infecções Bacterianas/prevenção & controle , Infecções Bacterianas/veterinária , Bacteriocinas/administração & dosagem , Bacteriocinas/história , Produtos Biológicos/administração & dosagem , Produtos Biológicos/história , Farmacorresistência Bacteriana/efeitos dos fármacos , Microbiologia de Alimentos/história , História do Século XX , História do Século XXI , Humanos , Plantas Medicinais , Aves Domésticas , Doenças das Aves Domésticas/história , Doenças das Aves Domésticas/prevenção & controle , Probióticos/administração & dosagem
16.
Dtsch Med Wochenschr ; 136(8): 371-5, 2011 Feb.
Artigo em Alemão | MEDLINE | ID: mdl-21332036

RESUMO

The irritable bowel syndrome (IBS) is among the most common disorders in gastroenterological practice with a prevalence of approx. 12 % in Germany, and it is characterized by abdominal pain or discomfort, altered stool frequency and consistency, and meteorism and bloating. There is currently no agreement between those seeing patients with IBS (general practitioner, gastroenterologist, psychosomatics) on the criteria for clinical diagnosis. Metaanalyses of treatment studies in IBS have shown that probiotics have a high clinical efficacy in IBS, especially since development of novel pharmaceutical compounds have not reached the market or have been withdrawn. In addition to the actual status of probiotic efficacy in IBS studies conducted worldwide, we present 3 German clinical studies with probiotic E.COLI preparations that have proven their efficacy in IBS in adults and in children.


Assuntos
Síndrome do Intestino Irritável/terapia , Probióticos/uso terapêutico , Animais , História do Século XIX , História do Século XX , Humanos , Probióticos/história
18.
Minerva Pediatr ; 60(6): 1417-35, 2008 Dec.
Artigo em Inglês, Italiano | MEDLINE | ID: mdl-18971903

RESUMO

Acute gastroenteritis, antibiotic-associated diarrhea, diarrhea due to Clostridium difficile and traveller's diarrhea, Helicobacter pylori infection and intestinal inflammatory diseases are primitive and/or secondary pathological conditions that alter the intestinal mucosa and microbiota. For years researchers have searched for solutions to restore and rebalance normal transit and intestinal flora. Elia Metchnikoff was the first one to introduce oral bacteriotherapy, that uses very efficient microorganisms that prevent putrefaction and aging. Oral bacteriotherapy has now evolved in probiotics, whose helpful action to prevent and treat some gastroenteric pathologies is currently being studied.


Assuntos
Gastroenterite/terapia , Lactobacillus , Probióticos , Doença Aguda , Pré-Escolar , Diarreia/microbiologia , Diarreia/terapia , Diarreia Infantil/terapia , Enterocolite Necrosante/terapia , Enterocolite Pseudomembranosa/terapia , França , História do Século XIX , História do Século XX , Humanos , Lactente , Recém-Nascido , Metanálise como Assunto , Guias de Prática Clínica como Assunto , Probióticos/história , Probióticos/uso terapêutico , Ensaios Clínicos Controlados Aleatórios como Assunto , Rússia (pré-1917)
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA