1.Protective Efficacy and Immunogenicity of Rv0351/Rv3628 Subunit Vaccine Formulated in Different Adjuvants Against Mycobacterium tuberculosis Infection
Kee Woong KWON ; Tae Gun KANG ; Ara LEE ; Seung Mo JIN ; Yong Taik LIM ; Sung Jae SHIN ; Sang-Jun HA
Immune Network 2023;23(2):e16-
Bacillus Calmette-Guerin (BCG) vaccine is the only licensed vaccine for tuberculosis (TB) prevention. Previously, our group demonstrated the vaccine potential of Rv0351 and Rv3628 against Mycobacterium tuberculosis (Mtb) infection by directing Th1-biased CD4 + T cells coexpressing IFN-γ, TNF-α, and IL-2 in the lungs. Here, we assessed immunogenicity and vaccine potential of the combined Ags (Rv0351/Rv3628) formulated in different adjuvants as subunit booster in BCG-primed mice against hypervirulent clinical Mtb strain K (Mtb K). Compared to BCG-only or subunit-only vaccine, BCG prime and subunit boost regimen exhibited significantly enhanced Th1 response. Next, we evaluated the immunogenicity to the combined Ags when formulated with four different types of monophosphoryl lipid A (MPL)-based adjuvants: 1) dimethyldioctadecylammonium bromide (DDA), MPL, and trehalose dicorynomycolate (TDM) in liposome form (DMT), 2) MPL and Poly I:C in liposome form (MP), 3) MPL, Poly I:C, and QS21 in liposome form (MPQ), and 4) MPL and Poly I:C in squalene emulsion form (MPS). MPQ and MPS displayed greater adjuvancity in Th1 induction than DMT or MP did. Especially, BCG prime and subunit-MPS boost regimen significantly reduced the bacterial loads and pulmonary inflammation against Mtb K infection when compared to BCG-only vaccine at a chronic stage of TB disease. Collectively, our findings highlighted the importance of adjuvant components and formulation to induce the enhanced protection with an optimal Th1 response.
2.Recent trends in opioid prescriptions in Korea from 2002 to 2015 based on the Korean NHIS-NSC cohort
Joungyoun KIM ; Sang-Jun SHIN ; Jihyun YOON ; Hyeong-Seop KIM ; Jae-woo LEE ; Ye-seul KIM ; Yonghwan KIM ; Hyo-Sun YOU ; Hee-Taik KANG
Epidemiology and Health 2022;44(1):e2022029-
OBJECTIVES:
Opioids are prescribed to treat moderate to severe pain. We investigated recent trends in opioid (morphine, oxycodone, fentanyl, and hydromorphone) prescriptions using data from the Korean National Health Insurance Service-National Sample Cohort between 2002 and 2015.
METHODS:
The morphine milligram equivalent (MME) was calculated to standardize the relative potency of opioids. The number (cases) or amount (MME) of annual opioid prescriptions per 10,000 registrants was computed to analyze trends in opioid prescriptions after age standardization. Joinpoint regression analysis was conducted to calculate the annual percentage change and average annual percentage change (AAPC).
RESULTS:
The number (cases) of prescriptions per 10,000 registrants increased from 0.07 in 2002 to 41.23 in 2015 (AAPC, 76.0%; 95% confidence interval [CI], 61.6 to 91.7). The MME per 10,000 registrants increased from 15.06 in 2002 to 40,727.80 in 2015 (AAPC, 103.0%; 95% CI, 78.2 to 131.3). The highest AAPC of prescriptions and MME per 10,000 registrants were observed in the elderly (60-69 years) and in patients treated at general hospitals. Fentanyl prescriptions increased most rapidly among the 4 opioids.
CONCLUSIONS
Consumption of opioids greatly increased in Korea over the 14-year study period.
3.Comparison of the copy-neutral loss of heterozygosity identified from whole-exome sequencing data using three different tools
Gang-Taik LEE ; Yeun-Jun CHUNG
Genomics & Informatics 2022;20(1):e4-
Loss of heterozygosity (LOH) is a genomic aberration. In some cases, LOH can be generated without changing the copy number, which is called copy-neutral LOH (CN-LOH). CN-LOH frequently occurs in various human diseases, including cancer. However, the biological and clinical implications of CN-LOH for human diseases have not been well studied. In this study, we compared the performance of CN-LOH determination using three commonly used tools. For an objective comparison, we analyzed CN-LOH profiles from single-nucleotide polymorphism array data from 10 colon adenocarcinoma patients, which were used as the reference for comparison with the CN-LOHs obtained through whole-exome sequencing (WES) data of the same patients using three different analysis tools (FACETS, Nexus, and Sequenza). The majority of the CN-LOHs identified from the WES data were consistent with the reference data. However, some of the CN-LOHs identified from the WES data were not consistent between the three tools, and the consistency with the reference CN-LOH profile was also different. The Jaccard index of the CN-LOHs using FACETS (0.84 ± 0.29; mean value, 0.73) was significantly higher than that of Nexus (0.55 ± 0.29; mean value, 0.50; p = 0.02) or Sequenza (0 ± 0.41; mean value, 0.34; p = 0.04). FACETS showed the highest area under the curve value. Taken together, of the three CN-LOH analysis tools, FACETS showed the best performance in identifying CN-LOHs from The Cancer Genome Atlas colon adenocarcinoma WES data. Our results will be helpful in exploring the biological or clinical implications of CN-LOH for human diseases.
4.Eggerthella Lenta Bacteremia after Appendectomy in a Healthy Patient
Sara JEONG ; Hyun Young PARK ; In Taik HONG ; Jae Bin KANG ; Soo Youn MOON ; Ki Ho PARK ; Mi Suk LEE ; Jun Seong SON
Korean Journal of Medicine 2019;94(6):530-532
Eggerthella lenta (E. lenta) has been reported to cause bacteremia in patients with gastrointestinal tract disorders or malignancies and in immunocompromised patients. Cases of E. lenta have been increasing with the recent development of testing equipment. The mortality rate due to E. lenta bacteremia is high. The authors report a case of E. lenta bacteremia in an immunocompetent patient.
5.Eggerthella Lenta Bacteremia after Appendectomy in a Healthy Patient
Sara JEONG ; Hyun Young PARK ; In Taik HONG ; Jae Bin KANG ; Soo Youn MOON ; Ki Ho PARK ; Mi Suk LEE ; Jun Seong SON
Korean Journal of Medicine 2019;94(6):530-532
Eggerthella lenta (E. lenta) has been reported to cause bacteremia in patients with gastrointestinal tract disorders or malignancies and in immunocompromised patients. Cases of E. lenta have been increasing with the recent development of testing equipment. The mortality rate due to E. lenta bacteremia is high. The authors report a case of E. lenta bacteremia in an immunocompetent patient.
Appendectomy
;
Bacteremia
;
Gastrointestinal Tract
;
Humans
;
Immunocompromised Host
;
Mortality
6.Cerebral venous thrombosis in a patient with Crohn's disease.
Young Hak CHO ; Min Kyu CHAE ; Jae Myung CHA ; Joung Il LEE ; Kwang Ro JOO ; Hyun Phil SHIN ; Il Hyun BAEK ; Jung Won JEON ; Jun Uk LIM ; In Taik HONG ; Hye Jin KI ; Jae Bin KANG
Intestinal Research 2016;14(1):96-101
Patients with inflammatory bowel disease (IBD) have an elevated risk of venous thromboembolism compared with the general population. The most common sites of venous thromboembolism in IBD patients are the deep veins of the legs, the pulmonary system, and portal and mesenteric veins. However, cerebral venous thrombosis is rarely associated with IBD. This report describes a case of cerebral venous thrombosis in a patient with Crohn's disease. A 17-year-old girl, diagnosed 4 years earlier with Crohn's disease, presented with headache and vomiting. Magnetic resonance imaging of the brain with venography showed venous thrombosis in the cortical veins, superior sagittal sinus, right transverse sinus, and right internal jugular vein. The patient immediately started anticoagulation therapy with intravenous heparin infusion followed by daily oral rivaroxaban 10 mg. Follow-up imaging after 2 weeks showed resolution of the thrombosis, with recanalization of the cortical veins, superior sagittal sinus, right transverse sinus, and right internal jugular vein. She continued rivaroxaban therapy for 6 months, and remained well, without neurologic sequelae. A high level of concern for cerebral venous thrombosis may be important when treating active IBD patients, because anticoagulation treatment can prevent fatal complications.
Adolescent
;
Brain
;
Crohn Disease*
;
Female
;
Follow-Up Studies
;
Headache
;
Heparin
;
Humans
;
Inflammatory Bowel Diseases
;
Jugular Veins
;
Leg
;
Magnetic Resonance Imaging
;
Mesenteric Veins
;
Phlebography
;
Rivaroxaban
;
Superior Sagittal Sinus
;
Thrombosis
;
Veins
;
Venous Thromboembolism
;
Venous Thrombosis*
;
Vomiting
7.Cutaneous Fusariosis in Unprotected Snake Bite Wound of Farmer's Hand.
Eun Taik SON ; Hwan Jun CHOI ; Young Man LEE ; Jun Hyuk KIM ; Doo Hyun NAM ; Hyun Deuk CHO
Archives of Plastic Surgery 2015;42(2):254-256
No abstract available.
Fusariosis*
;
Hand*
;
Snake Bites*
;
Wounds and Injuries*
8.A Case of Cavernous Lymphangioma of the Small Bowel Mesentery.
In Taik HONG ; Jae Myung CHA ; Joung Il LEE ; Kwang Ro JOO ; Il Hyun BAEK ; Hyun Phil SHIN ; Jung Won JEON ; Jun Uk LIM
The Korean Journal of Gastroenterology 2015;66(3):172-175
Lymphangioma is a benign vascular lesion with characteristics of subepithelial tumor which can proliferate in the lymphatic system. Lymphangioma of the small-bowel mesentery is rare, having been reported in less than 2% of all lymphangiomas. Lymphangioma does not require any specific treatment because it is absolutely a benign tumor. However, surgical exploration is rarely required for cases with disease-related symptoms or complications, or for those misdiagnosed as a malignant lesion. We recently experienced a case of mesenteric cavernous lymphangomas in a 53-year-old female who was misdiagnosed as having a liposarcoma. The final diagnosis was confirmed by a pathologic examination of the specimen that was obtained via laparoscopic exploration. Herein, we report a very rare case of mesenteric cavernous lymphangioma along with a brief review of relevant literature.
Female
;
Humans
;
Intestine, Small/pathology
;
Laparoscopy
;
Lymphangioma/*diagnosis/pathology/surgery
;
Mesentery/pathology
;
Middle Aged
;
Peritoneal Neoplasms/*diagnosis/pathology/surgery
;
Tomography, X-Ray Computed
9.Analysis of Anatomical Relationship between Stensen's Duct and Buccal Branch of Facial Nerve.
Eun Taik SON ; Hwan Jun CHOI ; Doo Hyun NAM ; Jun Hyuk KIM ; Young Man LEE
Archives of Craniofacial Surgery 2013;14(2):102-106
BACKGROUND: When using the anterior approach for performing superficial parotidectomy, the first thing to do is to find the buccal branch of the facial nerve and the parotid duct. The buccal branch usually runs transversely with the parotid duct from the anterior border of the parotid gland. We wanted to check the relationship between the two structures during the operation and to get clinically helpful information. METHODS: Twelve patients with parotid mass were treated with superficial parotidectomy between May 2012 and August 2012. The outline of superficial and deep lobes of the parotid gland, parotid duct, and the buccal branch of the facial nerve were drawn on the transparent film by tracing the structures intraoperatively. RESULTS: In 7 (58.3%) of 12 cases, the buccal branch of the facial nerve was located more caudally than the parotid duct at the anterior border of the superficial lobe of the parotid gland. In 3 cases (25%), the buccal branch was located more cephalically than the parotid duct. The mean distance between two structures were 2.54+/-1.48 mm. In 11 cases, the parotid duct was located deeper than the buccal branch. CONCLUSION: The buccal branch of the facial nerve tends to be located more caudally than parotid duct and runs more superficially than parotid duct in all cases. We identified the relationship between the parotid duct and the buccal branch of the facial nerve during the operations on living subjects, not from the cadavers, so it would be a clinically helpful study which supplied more accurate anatomical information.
Cadaver
;
Facial Nerve*
;
Humans
;
Parotid Gland
;
Salivary Ducts*
10.Multiple Cardiac Metastases from a Nonfunctioning Pancreatic Neuroendocrine Tumor.
Yong Hyeok CHOI ; Hye Suk HAN ; Sung Nam LIM ; Sang Yeub LEE ; Ji Hae KOO ; Ok Jun LEE ; Ki Hyeong LEE ; Seung Taik KIM
Cancer Research and Treatment 2013;45(2):150-154
Pancreatic neuroendocrine tumors (pNETs) are rare neoplasms, which most commonly metastasize to the liver. However, intrathoracic metastases from pNETs are encountered infrequently. This report describes a case of nonfunctioning pNET with multiple cardiac metastases. A 56-year-old male presented with a palpable abdominal mass that showed progressive enlargement. Findings on computed tomography (CT) of the abdomen revealed two relatively well-marginated inhomogeneous low-attenuation masses, one in the head of the pancreas and the other in the tail. Multiple enhancing masses in the left pericardium with myocardial involvement were observed on chest CT and transthoracic echocardiography. Needle biopsies were performed on the mass in the tail of the pancreas and the left ventricular apical pericardium; histologic examination by hematoxylin and eosin morphology and immunohistochemical staining showed pNET in both. This is the first report of pNET with multiple cardiac metastases to previously undescribed metastatic sites.
Abdomen
;
Biopsy, Needle
;
Echocardiography
;
Eosine Yellowish-(YS)
;
Head
;
Heart Neoplasms
;
Hematoxylin
;
Humans
;
Liver
;
Male
;
Neoplasm Metastasis
;
Neuroectodermal Tumors, Primitive
;
Neuroendocrine Tumors
;
Pancreas
;
Pericardium
;
Thorax

Result Analysis
Print
Save
E-mail