이강녕 교수
Kang-Neung Lee
한양대학교 내과 · 의학
연구실 소개
이강녕 교수의 연구실은 장기능성 장질환, 특히 장내미생물과 뇌-장 축의 기능 이상이 연관된 장내 환경 변화에 초점을 맞춘 기초 및 임상 연구를 수행하고 있습니다. 특히 장내미생물 조절, 면역 반응 이상, 장벽 기능 이상 등 기전적 요인을 규명하고, 이를 바탕으로 새로운 치료 전략 개발에 기여하고자 합니다. 또한, 장내 가스 생성과 증상 간의 연관성, 항염증 성분의 약리적 작용 등 다양한 분야에서 다학제적 접근을 시도하고 있습니다.
연구 현황
연구 성과 추이
표시된 성과는 수집된 데이터 기준으로 산출되며, 일부 차이가 있을 수 있습니다.
주요 논문
15Irritable bowel syndrome (IBS) is a functional bowel disorder without any structural or metabolic abnormalities that sufficiently explain the symptoms, which include abdominal pain and discomfort, and bowel habit changes such as diarrhea and constipation. Its pathogenesis is multifactorial: visceral hypersensitivity, dysmotility, psychosocial factors, genetic or environmental factors, dysregulation of the brain-gut axis, and altered intestinal microbiota have all been proposed as possible causes
Irritable bowel syndrome (IBS) is one of the most common functional gastrointestinal disorders, but its treatment is unsatisfactory as its pathophysiology is multifactorial. The putative factors of IBS pathophysiology are visceral hypersensitivity and intestinal dysmotility, also including psychological factors, dysregulated gut-brain axis, intestinal microbiota alterations, impaired intestinal permeability, and mucosal immune alterations. Recently, mucosal immune alterations have received much
Fexuprazan 40 mg is non-inferior to esomeprazole 40 mg in EE healing at week 8. We suggest that fexuprazan is an alternative promising treatment option to PPIs for patients with EE.
A new sesquilignan glycoside 1, together with seven known phenolic glycosides 2–8 were isolated from the aerial parts of Capsella bursa-pastoris. The chemical structure of the new compound 1 was elucidated by extensive nuclear magnetic resonance (NMR) data (1H- and 13C-NMR, 1H-1H correlation spectroscopy (1H-1H COSY), heteronuclear single-quantum correlation (HSQC), heteronuclear multiple bond correlation (HMBC), and nuclear overhauser effect spectroscopy (NOESY)) and HR-FABMS analysis. The anti
Whether hydrogen and methane gas produced during lactulose breath test (LBT) are associated with symptoms of irritable bowel syndrome (IBS) is not determined. We aimed to investigate whether hydrogen and methane on LBT are associated with IBS symptoms. Sixty-eight IBS patients meeting the Rome III criteria for IBS, and 55 healthy controls, underwent LBT. The IBS subjects recorded their customary gastrointestinal symptoms on a questionnaire using visual analogue scales. LBT positivity was defined
Level III, prognostic study.
Forkhead box protein 3 (FoxP3(+)) regulatory T (T(reg)) cells and interleukin (IL)-17-producing T helper 17 (Th17) cells have opposing effects on autoimmunity, as the former are crucial for maintaining self-tolerance while the latter play a key role in precipitating inflammatory autoimmune diseases. Here we report that Bacillus-derived poly-γ-glutamic acid (γ-PGA) signals naive CD4(+) T cells to promote the selective differentiation of T(reg) cells and to suppress the differentiation of Th17 cel
BACKGROUND: Asthma is an inflammatory disease of the airways that is mediated by Th2 responses. Poly-γ-glutamic acid (γ-PGA) is an extracellular polymeric compound that is synthesized by Bacillus cells. Previously, we found that γ-PGA promoted Th1 cell development in a manner dependent on antigen-presenting cells, but inhibited Th2 cell development. OBJECTIVE: To investigate the effect of γ-PGA on dendritic cells (DCs), and its potential for treating Th2-mediated allergic asthma. METHODS: Wild-t
In addition to inhibiting cyclooxygenase and prostaglandin, nonsteroidal anti-inflammatory drugs (NSAIDs) may cause gastroduodenal injuries due to reactive oxygen species produced by recruited inflammatory cells. DA-9601 is a novel antioxidant with anti-inflammatory and cyto-protective effects. This study was conducted to compare the efficacy and safety of DA-9601 with misoprostol for preventing NSAID-associated gastroduodenal injury. In this randomized, double-blind, multicenter, noninferiority
BACKGROUND: Morton's neuroma is one of the common causes of forefoot pain. In the present study, hyaluronic acid injection was performed on patients to determine the efficacy and adverse effects of hyaluronic acid in management of Morton's neuroma. METHODS: Eighty-three patients with Morton's neuroma in their third intermetatarsal space with definite Mulder's click were included in the study. Those with severe forefoot deformities such as forefoot cavus or hallux valgus on plain X-rays were excl
Whether hydrogen and methane gas produced during lactulose breath test (LBT) are associated with symptoms of irritable bowel syndrome (IBS) is not determined. We aimed to investigate whether hydrogen and methane on LBT are associated with IBS symptoms. Sixty-eight IBS patients meeting the Rome III criteria for IBS, and 55 healthy controls,underwent LBT. The IBS subjects recorded their customary gastrointestinal symptoms on a questionnaire using visual analogue scales. LBT positivity was defined
In addition to inhibiting cyclooxygenase and prostaglandin, nonsteroidal anti-inflammatory drugs (NSAIDs) may cause gastroduodenal injuries due to reactive oxygen species produced by recruited inflammatory cells. DA-9601 is a novel antioxidant with anti-inflammatory and cyto-protective effects. This study was conducted to compare the efficacy and safety of DA-9601 with misoprostol for preventing NSAID-associated gastroduodenal injury. In this randomized, double-blind, multicenter, noninferiority
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