1.Study on the association of the gene polymorphism of thrombin activatable fibrinolysis inhibitor with coronary heart disease in Han population
Ming-Hua JIANG ; Lian-Pin WU ; Hong-Qun TAO ; Xiang-Yang LI ;
Chinese Journal of Laboratory Medicine 2003;0(09):-
0.05)in the frequency of alleles and genotypes between controls and coronary heart disease.In additional,at the 325 position,the TAFI antigen of the Thr325Thr was higher[(114.89?2.53)%]than that of the other genotype(Thr325Ile and Ile325Ile),there was significant difference between the TAFI antigen of the Thr325Thr and the others(P 0.05).But the TAFI activity of the Ile325Ile was lower(3.08?3.63 ?g/ml)than that of the other genotypes(Thr325Ile and Thr325Thr),there was significantly difference between the TAFI activity of the Thr325Thr and the other(P
2.The nasal mucosa permeability and toxicity of baicalin carrier systems liposomes, beta-cyclodextrin inclusion compound, and phospholipid complex.
Pin-jiang WU ; Run-chun XU ; Zhe-tong SU ; Ping WEI ; Yan-jun LIN ; Ming YANG ; Qin ZHENG
Acta Pharmaceutica Sinica 2009;44(4):417-424
To increase drug concentration in the head through intranasal administration, we have investigated the excised animal nasal mucosa permeability and nasal toxicity of the baicalin drug carrier systems, such as baicalin liposomes, beta-cyclodextrin inclusion compound, and phospholipid complex. A transport of baicalin drug carrier systems through nasal mucosa was simulated in diffusion chamber in vitro, and swine, caprine and rabbit nasal mucosa was used, the concentration of drug in the receptor was determined by HPLC. By taking the apparent permeability coefficients as evaluation standard, investigated the isolated animal nasal mucosa permeability of different baicalin drug systems was investigated for screening the best baicalin drug carrier system through nasal cavity administration. Toxicity of baicalin and its phospholipids complex on toad palate mucosal cilia movement and rats nasal mucosa long-term toxicity were studied in vivo. The apparent permeability coefficient of three kinds of baicalin drug carrier systems was better than that of baicalin (P < 0.05), and its lag-time was obviously shortened. At the same time, the apparent permeability coefficient of phospholipid complex was higher than those of other two drug carrier systems (P < 0.05). The results showed that the baicalin phospholipids complex nasal mucosa permeability was obviously superior to the other two drug systems. Baicalin phospholipids complex had no toxicity to ciliary movement, and had no irritation to rat nasal mucosa. The results show that baicalin phospholipid complex was the best baicalin drug carrier system, it could significantly enhance the permeability of baicalin across nasal mucosa, had no toxicity to nasal mucosa, and could be used for intranasal administration.
Administration, Intranasal
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Animals
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Bufo bufo
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Drug Carriers
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pharmacokinetics
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toxicity
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Drug Delivery Systems
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Female
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Flavonoids
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administration & dosage
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pharmacokinetics
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toxicity
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Goats
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Liposomes
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pharmacokinetics
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toxicity
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Male
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Nasal Mucosa
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drug effects
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metabolism
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Palate
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drug effects
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Permeability
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Phospholipids
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pharmacokinetics
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toxicity
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Rabbits
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Random Allocation
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Rats
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Swine
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beta-Cyclodextrins
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pharmacokinetics
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toxicity
3.Study on the influence of biological characteristics to HIV/HCV co-infection among HIV infected illegal blood donors in China.
Pin-liang PAN ; Zhen LIU ; Yong-hong ZHANG ; Xiao-shan LONG ; Hao WU ; Yan JIANG
Chinese Journal of Epidemiology 2007;28(6):589-592
OBJECTIVETo study the influence of biological characteristics on HCV/HIV co-infection, including HIV-1 sequence distance, HIV-1 viral load and CD4+ count.
METHODSHIV-1 sequence distance was calculated by Clustal W and Phylip software while HIV-1 viral load being tested by NASBA and CD4+ count was tested using Epics XL of Coulter. Significance was determined by t-test using SPSS 12.0.
RESULTSThe mean HIV-1 genetic distances were 7.95% and 15.73% (P < 0.001) between those with HCV co-infection and those without. Their mean HIV-1 viral loads were 4.61 and 4.45 (P = 0.522) and their mean CD4I T counts were 308 and 251 (P = 0.161), respectively.
CONCLUSIONData showed that in the study group, the HIV/HCV co-infection had an influence on the HIV sequence distance, but did not have major impact on HIV-1 viral load and their mean CD4+ T count.
Adult ; Blood Donors ; statistics & numerical data ; CD4-Positive T-Lymphocytes ; immunology ; China ; epidemiology ; Female ; HIV Infections ; epidemiology ; immunology ; virology ; HIV-1 ; classification ; genetics ; immunology ; Hepatitis C ; epidemiology ; immunology ; virology ; Humans ; Male ; Phylogeny
4.A prospective multicenter clinical control trial on treatment of refractory nephrotic syndrome with mycophenolate mofetil in children.
Zhu-Wen YI ; Xiao-Chuan WU ; Hong XU ; Li-Jun ZHOU ; Yu-Bin WU ; Shi-Pin FENG ; Jian-Hua ZHOU ; Qing YANG ; Guang-Hua ZHU ; Ai-Min LIU ; Min-Jiang WEI ; Li YU ; Zhi-Feng ZENG
Chinese Journal of Contemporary Pediatrics 2008;10(5):575-578
OBJECTIVETo evaluate the efficacy and safety of mycophenolate mofetil (MMF) plus prednisone on refractory nephrotic syndrome (RNS) in children.
METHODSOne hundred and forty-two children with RNS from ten clinical trial centers were divided into two groups: MMF (n=87) and control (n=55). The MMF group patients were administered with oral MMF (30-40 mg/kg daily) for at least 6 months. Afterwards the patients who responded to MMF received another 6 months MMF treatment at a dosage of 10-20 mg/kg daily. The controls were treated with pulse intravenous infusion of cyclophosphamide (CTX) (10 mg/kg daily) for 2 days every 2 weeks for 3 months. Then CTX was administered at a dosage of 500 mg/m2 once a month 4, 7 and 10 months after treatment. While the patients received MMF or CTX treatment, they were treated with oral prednisone (0.5-1 mg/kg daily) for 2 to 3 months, and then the dosage of prednisone was gradually reduced. Urinary protein, liver and renal functions, and side effects of drugs were examined at regular intervals for one year.
RESULTSOf the 87 patients, 58 achieved complete remission, 16 achieved partial remission, 9 achieved early remission and 4 had no response to treatment. In the control group, 35 achieved complete remission, 9 achieved partial remission, 1 achieved early remission and 10 had no response to treatment. The total remission rate in the MMF group (95.4%) was significantly higher than that in the control group (81.8%) (P<0.01). After treatment 67 patients (65.4%) in the MMF group had negative proteinuria compared with 36 patients (65.4%) in the control group (P>0.05). MMF was found to be more effective in reducing proteinuria, and improving hypoproteinemia, oliguria, hyperlipemia, and edema than CTX. MMF was better tolerated with lower incidences of adverse reactions than CTX.
CONCLUSIONSThe combined therapy of MMF and prednisone is more effective and tolerable than pulse intravenous infusion of CTX for treatment of RNS in children.
Adolescent ; Child ; Child, Preschool ; Female ; Humans ; Immunosuppressive Agents ; therapeutic use ; Infant ; Male ; Mycophenolic Acid ; adverse effects ; analogs & derivatives ; therapeutic use ; Nephrotic Syndrome ; drug therapy ; Prednisone ; therapeutic use ; Prospective Studies
5.Comparison of clinical course of patients with severe acute respiratory syndrome among the multiple generations of nosocomial transmission.
Wei WU ; Jing-feng WANG ; Pin-ming LIU ; Shan-ping JIANG ; Qing-yu CHEN ; Wei-xian CHEN ; Song-mei YIN ; Li YAN ; Jun ZHAN ; Xi-long CHEN ; Jian-guo LI
Chinese Medical Journal 2004;117(1):14-18
BACKGROUNDSevere acute respiratory syndrome (SARS) is characterized by both an atypical pneumonia and efficient nosocomial transmission. However, it remains unknown whether the infectivity and the virulence of the pathogen will change throughout the successive transmission. This study was conducted to compare the clinical features and management regimens of patients with SARS among the multiple generations from nosocomial transmission initiated by a super-spreader.
METHODSThe clinical data of 84 epidemiologically-linked SARS patients from a hospital outbreak were retrospectively studied. All patients, in whom a clear-cut transmission generation could be noted, had a direct or indirect exposure to the index patient and the epidemic successively propagated through the multiple generations of cases within a short period of time.
RESULTSThere were 66 women and 18 men with mean age of (29.2 +/- 10.3) years in this cluster; and 96.4% of whom were health care workers. Detailed contact tracing identified 35 (41.7%) first-generation cases, 34 (40.5%) second-generation cases, and 15 (17.8%) third-generation cases. No statistical differences among the multiple generations of transmission were found in terms of age, gender, incubation period and length of hospital stay. With the advanced transmission generations, the initial temperature lowered, the number of cases with dry cough decreased. There were no statistical differences in the peak temperature and duration of fever, other accompanying symptoms, leucopenia; however, the time from initial pulmonary infiltrates to radiographic recovery shortened (P < 0.05). No differences were found in maximum number of lung fields involved, duration from the onset of fever to the occurrence of pulmonary infiltrates and time from the initial pulmonary infiltrate to its peak among the multiple transmission generations (P > 0.05). No statistical differences were found in modes of oxygen therapy and sorts of antibiotics prescribed among the various transmission generations (P > 0.05); however, as with the advanced transmission generations, the number of cases prescribed with methylprednisolone, human gamma-globulin, interferon-alpha, antiviral drugs (oral ribavirin or oseltamivir) increased (P < 0.05) and time from admission to starting these medication shortened (P < 0.05).
CONCLUSIONSThere is no evidence that SARS infection will evolve or transmit within a fashion that permits it to become less powerful throughout the successive transmission within a short time.
Adult ; Contact Tracing ; Cross Infection ; physiopathology ; Female ; Humans ; Male ; Personnel, Hospital ; Retrospective Studies ; Severe Acute Respiratory Syndrome ; physiopathology ; transmission
6.A propensity score matching study on safety and efficacy of laparoscopic cholecystectomy for T2a and lower stages of gallbladder carcinoma
Ben LIU ; Qingyang YAO ; Yuting XIAO ; Jinshu WU ; Bo JIANG ; Shun CHEN ; Wei CHENG ; Xianhai MAO ; Xinmin YIN ; Pin LYU
Chinese Journal of Hepatobiliary Surgery 2022;28(7):520-524
Objective:To study the safety and efficacy of laparoscopic cholecystectomy (LC) in treatment of T2a and lower stages of gallbladder carcinoma.Methods:A retrospective study was performed on patients who were diagnosed with gallbladder cancer and underwent surgical treatment from January 2016 to January 2021 at Hunan Provincial People's Hospital. These patients were divided into the simple treatment group and the radical treatment group based on the surgical methods used. The simple treatment group consisted of 64 patients who underwent LC for accidental gallbladder cancers. The radical treatment group consisted of 30 patients who underwent laparoscopic radical cholecystectomy (LRC). The baseline characteristic of the two groups of patients were matched in a 1∶1 ratio using propensity score matching. After matching, there were 26 patients in each of the 2 groups. There were 7 males and 19 females in the simple group, with mean ± s. d. age of (60.6±9.6) years. There were 8 males and 18 females, with mean ± s. d. age (60.9±9.1) years in the radical treatment group. Blood loss, operation time, postoperative hospital stay, biliary leakage, acute pulmonary embolism, and incisional infection were compared between the two groups.Results:In the simple group, the operative time was (78.7±62.9) min, intraoperative blood loss was (10.7±11.6) ml and postoperative hospital stay was (4.4±2.6) d. These results were significantly better than those in the radical group with operative time (298.7±101.3) min, intraoperative blood loss (161.9±96.7) ml and postoperative hospital stay (9.9±4.0) d (all P<0.05). There were no significant difference in the postoperative complications and disease free survival rates between the two groups (both P>0.05). Conclusion:LC was safe and effective for treatment of T2a and lower stages of gallbladder cancer, and it could achieve a similar disease-free survival rate as LRC.
7.Treatment of severe medial tibial bone defect in primary total knee arthroplasty with autogenous bone graft and plate fixation.
Xu-Chun WANG ; Pin-Fang JIANG ; Zhong-Qing WU ; Min-Chang CHEN ; Zhan-Feng ZHANG
China Journal of Orthopaedics and Traumatology 2022;35(11):1048-1052
OBJECTIVE:
To explore the technique of autogenous bone graft combined with plate fixation in total knee arthroplasty(TKA) with severe proximal medial tibial bone defect.
METHODS:
From March 2012 to October 2018, 21 patients (9 males and 12 females) with severe bone defects in the proximal medial tibia during primary total knee arthroplasty were treated with autogenous structural bone grafting and steel plate fixation, with an age of 61 to 77 years old with an average of (69.6±9.1) years and a course of 64 to 257 months with an average of (73.6±170.7) months. According to Rand classification, there were 13 cases of type Ⅲb and 8 cases of type Ⅳb. Postoperative complications were observed, and knee joint function was evaluated by the Hospital for Special Surgery (HSS) score and SF-36 quality of life score.
RESULTS:
All 21 patients were followed up for 37 to 64 months with an average of (49.5±13.7) months. The incisions of all patients healed smoothly, and 2 patients developed lower limb intermuscular venous plexus thrombosis after operation. There were no periprosthetic infection, loosening of prosthesis and other complications. The autogenous bone grafts of all patients achieved bony healing during postoperative X-ray follow-up, and the healing time was 8 to 13 months with an average of (10.1±2.3) months. The HSS score of patients increased significantly from 30 to 48 with an average of (53.4±4.2) before operation to 75 to 92 with an average of (81.2±8.4) at the final follow-up (P<0.05). The SF-36 quality of life score of patients after operation was significantly different from that before operation (P<0.05).
CONCLUSION
The technique of autogenous bone graft combined with steel plate fixation can achieve satisfactory osseointegration effect in the treatment of severe proximal tibial bone defects in primary knee arthroplasty, with less complications and obvious improvement in knee function.
Male
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Female
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Humans
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Middle Aged
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Aged
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Arthroplasty, Replacement, Knee/methods*
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Tibia/transplantation*
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Bone Transplantation/methods*
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Quality of Life
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Transplantation, Autologous
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Steel
8.Molecular Genetic Characteristics of Acute Myeloid Leukemia Patients with CBFβ-MYH11 Positive.
Yu JIANG ; Hong-Ying CHAO ; Xu-Zhang LU ; Pin WU ; Xiao-Chun SUN
Journal of Experimental Hematology 2022;30(6):1661-1667
OBJECTIVE:
To explore mutational characteristics of acute myeloid leukemia (AML) patients with CBFβ-MYH11+ and analyze the correlation between the mutations and partial clinical characteristics.
METHODS:
A total of 62 AML patients with CBFβ-MYH11+ were included and 51 candidate genes were screened for their mutations using targeted next-generation sequencing (NGS). The exon 12 of NPM1 , FLT3-ITD , and TAD, bZIP domains of CEBPA were detected by genomic DNA-PCR combined with sanger sequencing.
RESULTS:
Compared with RUNX1-RUNX1T1 + group, the patients with CBFβ-MYH11+ showed higher age, peripheral WBC level, initial induced complete remission (CR) rate, more commonly carried chromosomal abnormalities such as +22, and lower deletion ratio of sex chromosome (-X or -Y) (P<0.05). In AML patients with CBFβ-MYH11+, the most common mutation was NRAS , followed by KIT, KRAS , and FLT3-TKD . Compared with RUNX1-RUNX1T1+ group, NRAS and FLT3-TKD were more frequently mutated in patients with CBFβ-MYH11+ (51.6% vs 18.7%, 17.7% vs 3.8%) (P<0.05).
CONCLUSION
The genomic landscape and clinical characteristics of AML patients with CBFβ-MYH11+ are different from patients with RUNX1-RUNX1T1 +.
Humans
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Genomics
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Leukemia, Myeloid, Acute/genetics*
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Myosin Heavy Chains
9.Regulatory effects of bio-intensity electric field on microtubule acetylation in human epidermal cell line HaCaT.
Ya Ting WU ; Ze ZHANG ; Ran JI ; Shu Hao ZHANG ; Wen Ping WANG ; Chao WU ; Jia Ping ZHANG ; Xu Pin JIANG ; Hengshu ZHANG
Chinese Journal of Burns 2022;38(11):1066-1072
Objective: To investigate the regulatory effects of bio-intensity electric field on directional migration and microtubule acetylation in human epidermal cell line HaCaT, aiming to provide molecular theoretical basis for the clinical treatment of wound repair. Methods: The experimental research methods were used. HaCaT cells were collected and divided into simulated electric field group (n=54) placed in the electric field device without electricity for 3 h and electric field treatment group (n=52) treated with 200 mV/mm electric field for 3 h (the same treatment methods below). The cell movement direction was observed in the living cell workstation and the movement velocity, trajectory velocity, and direction of cosθ of cell movement within 3 h of treatment were calculated. HaCaT cells were divided into simulated electric field group and electric field treatment 1 h group, electric field treatment 2 h group, and electric field treatment 3 h group which were treated with 200 mV/mm electric field for corresponding time. HaCaT cells were divided into simulated electric field group and 100 mV/mm electric field group, 200 mV/mm electric field group, and 300 mV/mm electric field group treated with electric field of corresponding intensities for 3 h. The protein expression of acetylated α-tubulin was detected by Western blotting (n=3). HaCaT cells were divided into simulated electric field group and electric field treatment group, and the protein expression of acetylated α-tubulin was detected and located by immunofluorescence method (n=3). Data were statistically analyzed with Kruskal-Wallis H test,Mann-Whitney U test, Bonferroni correction, one-way analysis of variance, least significant difference test, and independent sample t test. Results: Within 3 h of treatment, compared with that in simulated electric field group, the cells in electric field treatment group had obvious tendency to move directionally, the movement velocity and trajectory velocity were increased significantly (with Z values of -8.53 and -2.05, respectively, P<0.05 or P<0.01), and the directionality was significantly enhanced (Z=-8.65, P<0.01). Compared with (0.80±0.14) in simulated electric field group, the protein expressions of acetylated α-tubulin in electric field treatment 1 h group (1.50±0.08) and electric field treatment 2 h group (1.89±0.06) were not changed obviously (P>0.05), while the protein expression of acetylated α-tubulin of cells in electric field treatment 3 h group (3.37±0.36) was increased significantly (Z=-3.06, P<0.05). After treatment for 3 h, the protein expressions of acetylated α-tubulin of cells in 100 mV/mm electric field group, 200 mV/mm electric field group, and 300 mV/mm electric field group were 1.63±0.05, 2.24±0.08, and 2.00±0.13, respectively, which were significantly more than 0.95±0.27 in simulated electric field group (P<0.01). Compared with that in 100 mV/mm electric field group, the protein expressions of acetylated α-tubulin in 200 mV/mm electric field group and 300 mV/mm electric field group were increased significantly (P<0.01); the protein expression of acetylated α-tubulin of cells in 300 mV/mm electric field group was significantly lower than that in 200 mV/mm electric field group (P<0.05). After treatment for 3 h, compared with that in simulated electric field group, the acetylated α-tubulin of cells had enhanced directional distribution and higher protein expression (t=5.78, P<0.01). Conclusions: Bio-intensity electric field can induce the directional migration of HaCaT cells and obviously up-regulate the level of α-ubulin acetylation after treatment at 200 mV/mm bio-intensity electric field for 3 h.
Humans
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Acetylation
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Tubulin/metabolism*
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Microtubules/metabolism*
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Electricity
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Epidermal Cells/metabolism*
10.Regulatory effects of bio-intensity electric field on transformation of human skin fibroblasts.
Wen Ping WANG ; Ran JI ; Ze ZHANG ; Ya Ting WU ; Heng Shu ZHANG ; Qiong ZHANG ; Xu Pin JIANG ; Miao TENG
Chinese Journal of Burns 2022;38(4):354-362
Objective: To investigate the regulatory effects of bio-intensity electric field on the transformation of human skin fibroblasts (HSFs). Methods: The experimental research methods were used. HSFs were collected and divided into 200 mV/mm electric field group treated with 200 mV/mm electric field for 6 h and simulated electric field group placed in the electric field device without electricity for 6 h. Changes in morphology and arrangement of cells were observed in the living cell workstation; the number of cells at 0 and 6 h of treatment was recorded, and the rate of change in cell number was calculated; the direction of cell movement, movement velocity, and trajectory velocity within 3 h were observed and calculated (the number of samples was 34 in the simulated electric field group and 30 in 200 mV/mm electric field group in the aforementioned experiments); the protein expression of α-smooth muscle actin (α-SMA) in cells after 3 h of treatment was detected by immunofluorescence method (the number of sample was 3). HSFs were collected and divided into simulated electric field group placed in the electric field device without electricity for 3 h, and 100 mV/mm electric field group, 200 mV/mm electric field group, and 400 mV/mm electric field group which were treated with electric fields of corresponding intensities for 3 h. Besides, HSFs were divided into simulated electric field group placed in the electric field device without electricity for 6 h, and electric field treatment 1 h group, electric field treatment 3 h group, and electric field treatment 6 h group treated with 200 mV/mm electric field for corresponding time. The protein expressions of α-SMA and proliferating cell nuclear antigen (PCNA) were detected by Western blotting (the number of sample was 3). Data were statistically analyzed with Mann-Whitney U test, one-way analysis of variance, independent sample t test, and least significant difference test. Results: After 6 h of treatment, compared with that in simulated electric field group, the cells in 200 mV/mm electric field group were elongated in shape and locally adhered; the cells in simulated electric field group were randomly arranged, while the cells in 200 mV/mm electric field group were arranged in a regular longitudinal direction; the change rates in the number of cells in the two groups were similar (P>0.05). Within 3 h of treatment, the cells in 200 mV/mm electric field group had an obvious tendency to move toward the positive electrode, and the cells in simulated electric field group moved around the origin; compared with those in simulated electric field group, the movement velocity and trajectory velocity of the cells in 200 mV/mm electric field group were increased significantly (with Z values of -5.33 and -5.41, respectively, P<0.01), and the directionality was significantly enhanced (Z=-4.39, P<0.01). After 3 h of treatment, the protein expression of α-SMA of cells in 200 mV/mm electric field group was significantly higher than that in simulated electric field group (t=-9.81, P<0.01). After 3 h of treatment, the protein expressions of α-SMA of cells in 100 mV/mm electric field group, 200 mV/mm electric field group, and 400 mV/mm electric field group were 1.195±0.057, 1.606±0.041, and 1.616±0.039, respectively, which were significantly more than 0.649±0.028 in simulated electric field group (P<0.01). Compared with that in 100 mV/mm electric field group, the protein expressions of α-SMA of cells in 200 mV/mm electric field group and 400 mV/mm electric field group were significantly increased (P<0.01). The protein expressions of α-SMA of cells in electric field treatment 1 h group, electric field treatment 3 h group, and electric field treatment 6 h group were 0.730±0.032, 1.561±0.031, and 1.553±0.045, respectively, significantly more than 0.464±0.020 in simulated electric field group (P<0.01). Compared with that in electric field treatment 1 h group, the protein expressions of α-SMA in electric field treatment 3 h group and electric field treatment 6 h group were significantly increased (P<0.01). After 3 h of treatment, compared with that in simulated electric field group, the protein expressions of PCNA of cells in 100 mV/mm electric field group, 200 mV/mm electric field group, and 400 mV/mm electric field group were significantly decreased (P<0.05 or P<0.01); compared with that in 100 mV/mm electric field group, the protein expressions of PCNA of cells in 200 mV/mm electric field group and 400 mV/mm electric field group were significantly decreased (P<0.05 or P<0.01); compared with that in 200 mV/mm electric field group, the protein expression of PCNA of cells in 400 mV/mm electric field group was significantly decreased (P<0.01). Compared with that in simulated electric field group, the protein expressions of PCNA of cells in electric field treatment 1 h group, electric field treatment 3 h group, and electric field treatment 6 h group were significantly decreased (P<0.01); compared with that in electric field treatment 1 h group, the protein expressions of PCNA of cells in electric field treatment 3 h group and electric field treatment 6 h group were significantly decreased (P<0.05 or P<0.01); compared with that in electric field treatment 3 h group, the protein expression of PCNA of cells in electric field treatment 6 h group was significantly decreased (P<0.01). Conclusions: The bio-intensity electric field can induce the migration of HSFs and promote the transformation of fibroblasts to myofibroblasts, and the transformation displays certain dependence on the time and intensity of electric field.
Actins/biosynthesis*
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Cell Differentiation/physiology*
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Cell Movement/physiology*
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Electric Stimulation Therapy
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Electricity
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Fibroblasts/physiology*
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Humans
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Myofibroblasts/physiology*
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Proliferating Cell Nuclear Antigen/biosynthesis*
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Skin/cytology*