1.Recent Research Advance to Differentiate Portal Hypertension Associated with Primary Myelofibrosis and Cirrhosis --Review.
Rui LI ; Hua-Sheng LIU ; Ying CHEN
Journal of Experimental Hematology 2023;31(2):598-601
Primary myelofibrosis (PMF) is easily confused with cirrhosis, due to its main clinical manifestations of splenomegaly and the blood cytopenia. This review focuses on clinical studies to identify primary myelofibrosis and cirrhosis related portal hypertension, to analyze the differences between the two diseases, in order to distinguish PMF and cirrhosis from the pathogenesis, clinical manifestations, laboratory examinations and treatment principles, and simultaneously improve clinicians' understanding of PMF, which is a reference for exploring the early screening or diagnostic indicators of PMF, also provides a clinical basis for the application of new targeted drugs such as ruxolitinib.
Humans
;
Primary Myelofibrosis/drug therapy*
;
Hypertension, Portal/complications*
;
Liver Cirrhosis/pathology*
;
Splenomegaly/pathology*
;
Anemia
3.Research progress on the regulation mechanisms of iron metabolism in anemia of chronic disease.
Hai-Chao MI ; Fang CUI ; Yu-Tao DU ; Ruo-Tong WANG ; Rui ZHANG ; Min SHI
Acta Physiologica Sinica 2022;74(4):639-647
Anemia of chronic disease (ACD), complicated by various chronic inflammatory diseases, is the second most prevalent type of anemia after iron deficiency anemia in the world. ACD significantly reduces the life quality of patients with chronic diseases, and represents an independent poor prognostic factor in certain chronic diseases. A large body of studies has demonstrated that most of anemia is related to abnormal iron metabolism. In the past decade, hepcidin, as a key factor in regulating iron metabolism, has attracted enormous attention due to its important role in the pathogenesis of ACD. This article reviews the research progress on the role and underlying regulatory mechanisms of hepcidin in ACD. We also discuss the potential of hepcidin as an effective therapeutic target for ACD treatment, in order to provide a new maneuver for improving the quality of ACD patients' life.
Anemia
;
Anemia, Iron-Deficiency/pathology*
;
Chronic Disease
;
Hepcidins
;
Humans
;
Iron/metabolism*
4.Clinical and Laboratory Characteristics of Disseminated Non-tuberculous Mycobacterial Disease.
Su Su YE ; Xiao Qing LIU ; Bao Tong ZHOU ; Hong Li SUN ; Xiao Chun SHI ; Zhi Feng QIU ; Jing XIE ; Qi Wen YANG ; Ying Chun XU
Acta Academiae Medicinae Sinicae 2019;41(2):242-247
Objective To explore the clinical and laboratory characteristics and the prognosis of disseminated non-tuberculous mycobacteria(NTM)diseases in human immunodeficiency virus(HIV)negative patients. Methods Cases of disseminated NTM disease were retrospectively collected in Peking Union Medical College Hospital from January 2012 to October 2018.Clinical manifestations,laboratory findings,treatment,and prognosis of these cases were retrieved from the electronic medical record system. Results Among the 23 HIV negative patients with disseminated NTM disease,21 had underlying diseases,with rheumatoid immune disease(n=7)as the most common one.The main clinical manifestation was fever(n=23).Laboratory tests showed anemia [hemoglobin(85.78±25.47)g/L],hypoalbuminemia [albumin 29(27-32)g/L],elevated erythrocyte sedimentation rate [(85.73±43.78)mm/h] and hypersensitive C-reactive protein [(112.00±70.90)mg/L],and reduction of lymphocyte count [0.69(0.29-2.10)×10 /L].Lymphocyte subset analysis indicated reduction in CD4 T cells [213(113-775)/μl],CD8 T cells [267(99-457)/μl],B cells [39(4-165)/μl],and NK cells [88(32-279)/μl] and elevation of human leukocyte antigen-D related(HLA-DR),and CD38 expression in CD8 T cells [HLA-DR CD8 /CD8 ,60(40-68)%;CD38 CD8 /CD8 ,81(65-90)%].The most common species of NTM was Mycobacterium intracellular(n=6).Lymphocyte,CD8 T cell,B cell,and NK cell counts were significantly lower in dead patients than surviving patients(P =0.045,P=0.045,P=0.032,and P=0.010,respectively). Conclusions Disseminated NTM disease in HIV negative patients is mainly manifested as fever,anemia,hypoalbuminemia,and elevated inflammatory indicators.It is more likely to occur in immunocompromised patients.Patients with decreased lymphocytes,CD8 T cells,B cells and NK cells tend to have a poor prognosis.
Anemia
;
B-Lymphocytes
;
CD4-Positive T-Lymphocytes
;
CD8-Positive T-Lymphocytes
;
Fever
;
HIV Seronegativity
;
Humans
;
Hypoalbuminemia
;
Killer Cells, Natural
;
Mycobacterium Infections, Nontuberculous
;
diagnosis
;
pathology
;
Prognosis
;
Retrospective Studies
5.Current insights into the role of HIF-PHD axis in renal anemia.
Acta Physiologica Sinica 2018;70(6):623-629
Renal anemia, mainly caused by the deficiencies of erythropoietin (EPO) and iron metabolism disorder, is one of the most common complications of chronic kidney disease. Hypoxia-inducible factor (HIF) is a class of transcription factors responsible for maintaining homeostasis during oxygen deprivation. In normoxia, HIF is degraded by prolyl hydroxylase (PHD). While under hypoxic conditions, the hydroxylation activity of PHD is inhibited, and the cellular concentration of HIF is elevated, resulting in an increase in endogenous EPO production and iron absorption. Therefore, this regulating pathway, also termed as the HIF-PHD axis, has become a promising therapeutic target of treating renal anemia. Several innovative drugs acting as selective HIF-PHD inhibitors have been successfully developed in the past years, and some of them are undergoing clinical trials. In this review, we will introduce the definition and regulatory mechanism of HIF-PHD axis, as well as current insights into its physiologic and therapeutic role in renal anemia.
Anemia
;
enzymology
;
pathology
;
Humans
;
Hypoxia
;
pathology
;
Hypoxia-Inducible Factor 1
;
metabolism
;
Kidney Diseases
;
enzymology
;
pathology
;
Oxygen
;
Prolyl Hydroxylases
;
metabolism
6.Universal tolerance of nab-paclitaxel for gynecologic malignancies in patients with prior taxane hypersensitivity reactions.
Kathryn MAURER ; Chad MICHENER ; Haider MAHDI ; Peter G ROSE
Journal of Gynecologic Oncology 2017;28(4):e38-
OBJECTIVE: To report on the incidence of nab-paclitaxel hypersensitivity reactions (HSRs) in patients with prior taxane HSR. METHODS: From 2005 to 2015, all patients who received nab-paclitaxel for a gynecologic malignancy were identified. Chart abstraction included pathology, prior therapy, indication for nab-paclitaxel, dosing, response, toxicities including any HSR, and reason for discontinuation of nab-paclitaxel therapy. RESULTS: We identified 37 patients with gynecologic malignancies with a history of paclitaxel HSR who received nab-paclitaxel. Six patients (16.2%) had a prior HSR to both paclitaxel and docetaxel while the other 31 patients had not received docetaxel. No patients experienced a HSR to nab-paclitaxel. Median number of cycles of nab-paclitaxel was 6 (range 2–20). Twelve patients received weekly dosing at 60 to 100 mg/m². The remainder of patients received 135 mg/m² (n=13), 175 mg/m² (n=9), or 225 mg/m² (n=3). Thirty four patients (91.9%) received nab-paclitaxel in combination with carboplatin (n=28, 75.7%), IP cisplatin (n=1, 2.7%), carboplatin and bevacizumab (n=3, 8.1%), or carboplatin and gemcitabine (n=2, 5.4%). Reasons for discontinuing nab-paclitaxel included completion of adjuvant therapy (n=16), progressive disease (n=18), toxicity (n=1), and death (n=1). There were no grade 4 complications identified during nab-paclitaxel administration. Grade 3 complications included: neutropenia (n=9), thrombocytopenia (n=4), anemia (n=1), and neurotoxicity (n=1). CONCLUSION: Nab-paclitaxel is well-tolerated with no HSRs observed in this series of patients with prior taxane HSR. Given the important role of taxane therapy in nearly all gynecologic malignancies, administration of nab-paclitaxel should be considered prior to abandoning taxane therapy.
Albumin-Bound Paclitaxel
;
Anemia
;
Bevacizumab
;
Carboplatin
;
Cisplatin
;
Drug Hypersensitivity
;
Drug Therapy
;
Humans
;
Hypersensitivity*
;
Incidence
;
Neutropenia
;
Paclitaxel
;
Pathology
;
Thrombocytopenia
7.Double-Balloon Endoscopy in Overt and Occult Small Bowel Bleeding: Results, Complications, and Correlation with Prior Videocapsule Endoscopy in a Tertiary Referral Center.
Carlijn HERMANS ; Arnold STRONKHORST ; Annemarie TJHIE-WENSING ; Jan KAMPHUIS ; Bas VAN BALKOM ; Rob DAHLMANS ; Lennard GILISSEN
Clinical Endoscopy 2017;50(1):69-75
BACKGROUND/AIMS: Videocapsule endoscopy (VCE) and double-balloon endoscopy (DBE) allow deep exploration in patients with suspected small bowel pathology. VCE is often performed as an initial small bowel examination to explore whether an intervention by DBE is indicated and to determine insertion route. The study aim was to evaluate the correlation between DBE and VCE in patients with obscure or overt bleeding or anemia, as well as intervention frequency, and complications. METHODS: Retrospective observational study. RESULTS: DBE procedures (n=205) showed small bowel lesions in 64% cases. Antegrade DBE showed positive results in 79% cases, mostly angiodysplasias (63%). Retrograde DBE showed positive results in 22% cases. An intervention was performed in 64% of DBE procedures. The major complication rate was 0.5%, which was one case of perforation. Pancreatitis did not occur. The overall diagnostic agreement was 66% among the 134 DBEs with preceded VCE. CONCLUSIONS: In cases of overt or occult bleeding or anemia, DBE was positive in 64%, with only a few complications. Positive correlation was 66% among initially performed VCEs and DBEs. Owing to the time-consuming and invasive character of DBE, performing VCE before DBE might still be clinically relevant.
Anemia
;
Angiodysplasia
;
Capsule Endoscopy
;
Endoscopy*
;
Hemorrhage*
;
Humans
;
Intestine, Small
;
Observational Study
;
Pancreatitis
;
Pathology
;
Retrospective Studies
;
Tertiary Care Centers*
8.Predictors of Mortality in Korean Patients with Pyogenic Liver Abscess: A Single Center, Retrospective Study.
Se Hoon SOHN ; Kook Hyun KIM ; Jae Hyun PARK ; Tae Nyeun KIM
The Korean Journal of Gastroenterology 2016;67(5):238-244
BACKGROUND/AIMS: The mortality rate of pyogenic liver abscess (PLA) has decreased dramatically, but it remains a potentially life threatening disease. Most cases are cryptogenic or occur in elderly men with underlying biliary tract disease. Although several studies have addressed the characteristics and etiology of PLA, research on factors affecting PLA-associated mortality is lacking. This study intended to identify the clinical and radiological features, pathogens, complications, and predictors of mortality in Korean PLA patients. METHODS: The medical records of 231 PLA patients diagnosed at Yeungnam University Medical Center between January 2010 and January 2014 were analyzed. A diagnosis of PLA was made based on imaging studies and blood and abscess cultures. The clinical, radiological, and laboratory findings of patients were analyzed. RESULTS: The mean patient age was 64.0±12.9 years and the male to female ratio was 1.5:1. Klebsiella pneumoniae was the predominant organism isolated from hepatic abscesses (69.9%) and blood (74.2%). The most common complication was pleural effusion (35.8%) and most common co-infection was cholangitis (8.2%). The overall mortality rate of PLA was 6.9% (16/231), and was significantly higher in patients with a history of liver abscess (OR 5.970, 95% CI 1.207-29.529; p=0.028), bilirubinemia (>2 mg/dL) (OR 9.541, 95% CI 2.382-38.216; p=0.001), thrombocytopenia (<140×10(3)/µL) (OR 4.396, 95% CI 1.130-17.106; p=0.033), or anemia (<12 g/dL) (OR 13.277, 95% CI 1.476-119.423; p=0.021). CONCLUSIONS: The prognosis of PLA appears to be dependent on underlying pathologies and severity of condition. More aggressive treatment should be considered if a poor prognosis is expected.
Abscess
;
Academic Medical Centers
;
Aged
;
Anemia
;
Biliary Tract Diseases
;
Cholangitis
;
Coinfection
;
Diagnosis
;
Female
;
Humans
;
Hyperbilirubinemia
;
Klebsiella pneumoniae
;
Liver Abscess
;
Liver Abscess, Pyogenic*
;
Male
;
Medical Records
;
Mortality*
;
Pathology
;
Pleural Effusion
;
Prognosis
;
Retrospective Studies*
;
Risk Factors
;
Thrombocytopenia
9.Role of heteroplasmic mutations in the mitochondrial genome and the ID4 gene promoter methylation region in the pathogenesis of chronic aplastic anemia in patients suffering from Kidney yin deficiency.
Xing CUI ; Jing-Yi WANG ; Kui LIU ; Si-Yuan CUI ; Jie ZHANG ; Ya-Qin LUO ; Xin WANG
Chinese journal of integrative medicine 2016;22(6):412-419
OBJECTIVETo analyze changes in gene amplification in the mitochondrial genome and in the ID4 gene promoter methylation region in patients with chronic aplastic anemia (CAA) suffering from Kidney (Shen) yin deficiency or Kidney yang deficiency.
METHODSBone marrow and oral epithelium samples were collected from CAA patients with Kidney yin deficiency or Kidney yang deficiency (20 cases). Bone marrow samples were collected from 20 healthy volunteers. The mitochondrial genome was amplified by polymerase chain reaction (PCR), and PCR products were used for sequencing and analysis.
RESULTSHigher mutational rates were observed in the ND1-2, ND4-6, and CYTB genes in CAA patients suffering from Kidney yin deficiency. Moreover, the ID4 gene was unmethylated in bone marrow samples from healthy individuals, but was methylated in some CAA patients suffering from Kidney yin deficiency (positive rate, 60%) and Kidney yang deficiency (positive rate, 55%).
CONCLUSIONSThese data supported that gene mutations can alter the expression of respiratory chain enzyme complexes in CAA patients, resulting in energy metabolism impairment and promoting the physiological and pathological processes of hematopoietic failure. Functional impairment of the mitochondrial respiration chain induced by gene mutation may be an important reason for hematopoietic failure in patients with CAA. This change is closely related to maternal inheritance and Kidney yin deficiency. Finally, these data supported the assertion that it is easy to treat disease in patients suffering from yang deficiency and difficult to treat disease in patients suffering from yin deficiency.
Adult ; Anemia, Aplastic ; genetics ; Base Sequence ; Biopsy ; Bone Marrow ; pathology ; Case-Control Studies ; Child ; Chronic Disease ; DNA Methylation ; genetics ; DNA, Mitochondrial ; genetics ; Electrophoresis, Agar Gel ; Female ; Genome, Mitochondrial ; genetics ; Humans ; Inhibitor of Differentiation Proteins ; genetics ; Kidney ; pathology ; Male ; Middle Aged ; Mutation ; genetics ; Polymorphism, Genetic ; Promoter Regions, Genetic ; genetics ; Yin Deficiency ; genetics ; Young Adult
10.A Case of Severe Chronic Active Epstein-Barr Virus Infection with Aplastic Anemia and Hepatitis.
Ja In LEE ; Sung Won LEE ; Nam Ik HAN ; Sang Mi RO ; Yong Sun NOH ; Jeong Won JANG ; Si Hyun BAE ; Jong Young CHOI ; Seung Kew YOON
The Korean Journal of Gastroenterology 2016;67(1):39-43
Epstein-Barr virus (EBV) causes various acute and chronic diseases. Chronic active EBV infection (CAEBV) is characterized by infectious mononucleosis-like symptoms that persist for more than 6 months with high viral loads in peripheral blood and/or an unusual pattern of anti-EBV antibodies. Severe CAEBV is associated with poor prognosis with severe symptoms, an extremely high EBV-related antibody titer, and hematologic complications that often include hemophagocytic lymphohistiocytosis. However, CAEBV which led to the development of aplastic anemia (AA) has not been reported yet. A 73-year-old woman was admitted to our hospital with intermittent fever, general weakness and elevated liver enzymes. In the serologic test, EBV-related antibody titer was elevated, and real-time quantitative-PCR in peripheral blood showed viral loads exceeding 10(4) copies/microg DNA. Liver biopsy showed characteristic histopathological changes of EBV hepatitis and in situ hybridization with EBV-encoded RNA-1 was positive for EBV. Pancytopenia was detected in peripheral blood, and the bone marrow aspiration biopsy showed hypocellularity with replacement by adipocytes. AA progressed and the patient was treated with prednisolone but deceased 8 months after the diagnosis due to multiple organ failure and opportunistic infection. Herein, we report a rare case of severe CAEBV in an adult patient accompanied by AA and persistent hepatitis.
Aged
;
Anemia, Aplastic/*complications
;
Carbapenems/therapeutic use
;
Chronic Disease
;
DNA, Viral/blood
;
Epstein-Barr Virus Infections/complications/*diagnosis/pathology
;
Female
;
Hepatitis/*complications
;
Herpesvirus 4, Human/*genetics/isolation & purification
;
Humans
;
Real-Time Polymerase Chain Reaction
;
Severity of Illness Index
;
Urinary Tract Infections/drug therapy

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