INFLUENCE OF SEXUAL ACTIVITY ON SERUM LEVELS OF LH AND TESTOSTERONE IN THE RAM

1974 ◽  
Vol 54 (4) ◽  
pp. 579-585 ◽  
Author(s):  
L. M. SANFORD ◽  
W. M. PALMER ◽  
B. E. HOWLAND
Keyword(s):  
Sexual Activity ◽  
Sampling Period ◽  
Serum Levels ◽  
Serum Samples ◽  
Sexual Stimulation ◽  
Consistent Relationship ◽  
Serum Lh ◽  
Serum Peak ◽  
Second Period ◽  
Observation Period

Two experiments were conducted in January to study the influence of various types of sexual activity on serum levels of LH and testosterone (T) in the ram. Serum LH and T were determined by radioimmunoassay, LH values being expressed in terms of ng NIH-LH-S14/ml. In the first experiment, seven Finnish Landrace rams, 11 mo to 3 yr of age, were allowed individually to mate once (day 1) and continuously mount without intromission for 2 min (day 2) an estrual ewe. Jugular blood (6 ml) was collected by venipuncture at 20-min intervals for at least 2 h prior to and following each type of sexual activity. Two hours following mounting activity on day 2, estrual ewes were walked in front of the rams for 5 min. Blood was collected from each ram at 10 and 30 min following this observation period. Several serum peaks (4–8) of LH occurred in all rams over the two sampling periods (9 h). Although a rise in LH followed one or more of the types of sexual stimulation in four of the seven rams, no consistent relationship was noted between sexual stimulation and LH peaks. In a second experiment, serum samples were obtained every 20 min for two separate 24-h periods, 1 wk apart, from two 3-yr-old Finnish Landrace rams. During the first 24-h period, the rams were penned individually; during the second period each was penned with an estrual ewe. Numerous matings (44 and 24) were recorded for the rams during the latter period, 74% of which took place during the first 12 h. The serum profiles of LH and T during the first 24-h period were characterized by periodic peaks of LH associated with similar changes in T. These profiles appeared to be influenced markedly by sexual activity during the second 24-h period. Higher baseline and mean serum levels of both hormones and a greater number of serum peaks of LH and T were observed during the first 12 h. The serum levels of both hormones then decreased sharply at 13–14 h and remained low for 8–10 h, even though mating occurred periodically during this time. Subsequently, a further serum peak of LH and T was observed before the end of the sampling period.

scholarly journals Reassessing the Role of the Active TGF-β1 as a Biomarker in Systemic Sclerosis: Association of Serum Levels with Clinical Manifestations

2016 ◽  
Vol 2016 ◽  
pp. 1-6 ◽  
Author(s):  
Andréa Tavares Dantas ◽  
Sayonara Maria Calado Gonçalves ◽  
Anderson Rodrigues de Almeida ◽  
Rafaela Silva Guimarães Gonçalves ◽  
Maria Clara Pinheiro Duarte Sampaio ◽  
...  
Keyword(s):  
Systemic Sclerosis ◽  
Clinical Manifestations ◽  
Serum Levels ◽  
Vascular Involvement ◽  
Digital Ulcers ◽  
Serum Samples ◽  
Peripheral Blood Mononuclear ◽  
Pbmc Culture ◽  
Significant Difference ◽  
Skin Biopsies

Objective. To determine active TGF-β1 (aTGF-β1) levels in serum, skin, and peripheral blood mononuclear cell (PBMC) culture supernatants and to understand their associations with clinical parameters in systemic sclerosis (SSc) patients.Methods. We evaluated serum samples from 56 SSc patients and 24 healthy controls (HC). In 20 SSc patients, we quantified spontaneous or anti-CD3/CD28 stimulated production of aTGF-β1 by PBMC. The aTGF-β1 levels were measured by ELISA. Skin biopsies were obtained from 13 SSc patients and six HC, and TGFB1 expression was analyzed by RT-PCR.Results. TGF-β1 serum levels were significantly higher in SSc patients than in HC (p< 0.0001). Patients with increased TGF-β1 serum levels were more likely to have diffuse subset (p= 0.02), digital ulcers (p= 0.02), lung fibrosis (p< 0.0001), positive antitopoisomerase I (p= 0.03), and higher modified Rodnan score (p= 0.046). Most of our culture supernatant samples had undetectable levels of TGF-β1. No significant difference in TGFB1 expression was observed in the SSc skin compared with HC skin.Conclusion. Raised active TGF-β1 serum levels and their association with clinical manifestations in scleroderma patients suggest that this cytokine could be a marker of fibrotic and vascular involvement in SSc.

scholarly journals Folate and Cobalamin Serum Levels in Healthy Children and Adolescents and Their Association with Age, Sex, BMI and Socioeconomic Status

Nutrients ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 546
Author(s):  
Paulina Kreusler ◽  
Mandy Vogel ◽  
Anja Willenberg ◽  
Ronny Baber ◽  
Yvonne Dietz ◽  
...  
Keyword(s):  
Socioeconomic Status ◽  
Children And Adolescents ◽  
Serum Levels ◽  
Population Based ◽  
Research Centre ◽  
Healthy Children ◽  
Serum Samples ◽  
Lms Method ◽  
Healthy Participants ◽  
Age And Sex

This study proposes age- and sex-specific percentiles for serum cobalamin and folate, and analyzes the effects of sex, age, body mass index (BMI), and socioeconomic status (SES) on cobalamin and folate concentrations in healthy children and adolescents. In total, 4478 serum samples provided by healthy participants (2 months–18.0 years) in the LIFE (Leipzig Research Centre for Civilization Diseases) Child population-based cohort study between 2011 and 2015 were analyzed by electrochemiluminescence immunoassay (ECLIA). Continuous age-and sex-related percentiles (2.5th, 10th, 50th, 90th, 97.5th) were estimated, applying Cole’s LMS method. In both sexes, folate concentrations decreased continuously with age, whereas cobalamin concentration peaked between three and seven years of age and declined thereafter. Female sex was associated with higher concentrations of both vitamins in 13- to 18-year-olds and with higher folate levels in one- to five-year-olds. BMI was inversely correlated with concentrations of both vitamins, whilst SES positively affected folate but not cobalamin concentrations. To conclude, in the assessment of cobalamin and folate status, the age- and sex-dependent dynamic of the respective serum concentrations must be considered. While BMI is a determinant of both vitamin concentrations, SES is only associated with folate concentrations.

scholarly journals AB0042 CYTOKINE NETWORK ELUCIDATED BY THE QUANTIFICATION OF MULTIPLE CYTOKINES IN THE SERUM SEQUENTIALLY SAMPLED FROM RA PATIENTS WHO WERE TREATED WITH BIOLOGIC DMARDS

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1323.2-1324
Author(s):  
K. Sato ◽  
S. Mamada ◽  
C. Hayashi ◽  
T. Nagashima ◽  
S. Minota
Keyword(s):  
Bone Erosion ◽  
Feedback System ◽  
Serum Levels ◽  
Type I Interferons ◽  
Type I ◽  
Serum Samples ◽  
Cytokine Network ◽  
Biologic Dmards ◽  
Type I Ifns ◽  
Before And After

Background:Biologic disease modifying anti-rheumatic drugs (DMARDs) have demonstrated that proinflammatory cytokines such as interleukin (IL-) 6 and tumor necrosis factor (TNF) play important roles in the pathogenesis of rheumatoid arthritis (RA). Other cytokines, such as type I interferons (IFNs), are also implicated in its pathogenesis (ref 1). However, the complete picture of the cytokine network involved in RA remains to be elucidated.Objectives:By quantifying sets of cytokines in the serum of RA patients before and after treatment with various biologic DMARDs, we sought to determine the effects of drugs on (A) type I IFNs, (B) soluble IL-6 receptors, and (C) other cytokines.Methods:52 patients with RA were treated with various biologic DMARDs (tocilizumab (TOC): 16, abatacept (ABT): 15, and TNF inhibitors (TNFi): 21). Serum samples were obtained (1) before, (2) approximately 4 weeks after (3) and approximately 12 weeks after the initiation of treatment. A suspension bead-array system was used for analysis; Bio-Plex Human Cytokine 17-plex Assay kits and Express Custom Panels (Bio-Rad), including IFN-β, IFN-α2, soluble IL-6 receptor α (sIL6Rα) and gp130 were used.Results:(1) As expected, the disease activity score 28-joiny count (DAS28) using the erythrocyte sedimentation rate (ESR) significantly decreased in all three groups (TOC, ABT and TNFi) by 12 weeks.(2) IFN-α2 was barely detected in the serum samples. IFN-β seemed to increase slightly in the ABT group, but the increase was not statistically significant.(3) The levels of sIL6Rα did not change substantially. Those of gp130 decreased slightly but significantly in the TOC group by 12 weeks.(4) The levels of IL-6 decreased significantly in the ABT group by 12 weeks. Those in the TNFi group decreased significantly at 4 weeks but not 12 weeks (Fig. 1A).(5) The levels of IL-7 decreased significantly only in the TOC group (Fig. 1B).Conclusion:(1) The biologic DMARDs tested in this study did not significantly affect the serum levels of type I IFNs in this study.(2) The decrease in gp130 in the TOC group may imply that gp130 is induced by IL-6, although whether this level of decrease has physiological significance is open to question.(3) Serum IL-6 was significantly decreased in the TNFi group at 4 weeks but not 12 weeks. TNF has been reported to induce IL-6 (ref 2), but negative feedback loop(s) may be present. Such a feedback system might make the discontinuation of TNFi difficult, even if patients are in remission.(4) IL-7 may be a target of IL-6. A higher level of IL-7 has been reported to be present in the joints of RA patients compared with osteoarthrosis and it is a cytokine implicated in the differentiation of osteoclasts (ref 3). This may partly explain the effect of TOC on preventing bone erosion in RA.References:[1]Ann Rheum Dis. 2007; 66: 1008–14[2]Rheumatology 2007; 46: 920-6[3]Rheumatology 2008; 47: 753-9Acknowledgments:We thank all the members of the Division of Rheumatology and Clinical Immunology, Department of Medicine, Jichi Medical University. We are also grateful to the patients involved in this study.Disclosure of Interests:Kojiro Sato Grant/research support from: Abbie, Pfizer, Chugai, Astellas, Mitsubishi-Tanabe, Ono, Takeda, Sachiko Mamada: None declared, Chiyomi Hayashi: None declared, Takao Nagashima: None declared, Seiji Minota: None declared

scholarly journals Dehydroepiandrosterone (DHEA) Serum Levels Indicate Cerebrospinal Fluid Levels of DHEA and Estradiol (E2) in Women at Term Pregnancy

2021 ◽  
Author(s):  
Pardes Habib ◽  
Joseph Neulen ◽  
Shahin Habib ◽  
Benjamin Rösing
Keyword(s):  
Pregnant Women ◽  
Strong Correlation ◽  
Serum Levels ◽  
Neuroactive Steroids ◽  
Term Pregnancy ◽  
Serum Samples ◽  
Functional Changes ◽  
The Central Nervous System ◽  
Csf Levels ◽  
Fluid Levels

AbstractNeuroactive steroids such as dehydroepiandrosterone (DHEA), estradiol (E2), and progesterone (P4) are associated with structural and functional changes in the central nervous system (CNS). Measurement of steroid levels in the CNS compartments is restricted in accessibility. Consequently, there is only limited human data on the distributional equilibrium for steroid levels between peripheral and central compartments. While some neuroactive steroids including DHEA and E2 have been reported to convey excitatory and proconvulsant properties, the opposite was demonstrated for P4. We aimed to elucidate the correlation between peripheral and central DHEA, E2, and P4 levels in women at term pregnancy. CSF and serum samples of 27 healthy pregnant women (22–39 years) at term pregnancy were collected simultaneously under combined spinal and epidural anesthesia and used for DHEA ELISA and E2, and P4 ECLIA. All three neuroactive steroids were detected at markedly lower levels in CSF compared to their corresponding serum concentrations (decrease, mean ± SD, 97.66 ± 0.83%). We found a strong correlation for DHEA between its serum and the corresponding CSF levels (r = 0.65, p = 0.003). Serum and CSF levels of E2 (r = 0.31, p = 0.12) appeared not to correlate in the investigated cohort. DHEA serum concentration correlated significantly with E2 (r = 0.58, p = 0.0016) in CSF. In addition, a strong correlation was found between DHEA and E2, both measured in CSF (r = 0.65, p = 0.0002). Peripheral DHEA levels might serve as an indicator for central nervous levels of the neuroactive steroids DHEA and E2 in pregnant women.

scholarly journals Socioeconomic Status Is Related to Pubertal Development in a German Cohort

2021 ◽  
pp. 1-10
Author(s):  
Lea Oelkers ◽  
Mandy Vogel ◽  
Agnes Kalenda ◽  
Hans Christian Surup ◽  
Antje Körner ◽  
...  
Keyword(s):  
Socioeconomic Status ◽  
Weight Status ◽  
Pubertal Development ◽  
Serum Levels ◽  
Healthy Children ◽  
Anthropometric Parameters ◽  
Pubertal Onset ◽  
Child Study ◽  
Serum Lh ◽  
Puberty Onset

Introduction: Current health literature suggests that there has been a decline in the age of pubertal onset and that pubertal onset/duration of puberty may, besides weight status, be influenced by socioeconomic context. Objective: The goal of this study was to determine whether pubertal onset/duration and puberty-triggering hormones luteinizing hormone (LH) and follicle-stimulating hormone (FSH) vary according to socioeconomic status (SES). Moreover, we aimed to propose cutoff values of serum LH and FSH for predicting gonadarche in boys. Methods: 2,657 apparently healthy children and adolescents between 5.5 and 18 years from the area of Leipzig were recruited from the LIFE Child study. Age at pubertal onset/end of puberty was given in 738/573 children, respectively. Anthropometric parameters of puberty, blood measurements of LH and FSH, and questionnaires assessing SES were evaluated. Results: Lower SES was associated with earlier thelarche and longer duration of puberty in overweight/obese girls, whereas age of menarche was not affected. In boys with low SES, a trend versus earlier puberty onset can be seen. Lower SES was significantly associated with boys’ age at mutation. No significant differences in boys’ and girls’ serum levels of LH and FSH during puberty according to SES were observed. Serum LH levels of 0.56 IU/L and serum FSH levels of 1.74 IU/L showed the best prediction of gonadarche in boys. Conclusion: Puberty onset/duration and boys’ age at mutation is affected by SES. The proposed cutoff levels for serum LH and FSH could provide a serological tool to determine gonadarche in boys.

PD-L1 expression in tumor lesions and soluble PD-L1 serum levels in patients with breast cancer: TNBC versus TPBC

2021 ◽  
pp. 1-9
Author(s):  
Parvaneh Yazdanpanah ◽  
Ali Alavianmehr ◽  
Abbas Ghaderi ◽  
Ahmad Monabati ◽  
Mehdi Montazer ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Tumor Cells ◽  
Serum Levels ◽  
Tumor Stage ◽  
Serum Samples ◽  
Healthy Women ◽  
Grade 3 ◽  
Anti Tumor Activity ◽  
Tnbc Subtype ◽  
Cell Death Protein

BACKGROUND: Block of programmed cell death protein 1 (PD-1) interaction with its ligand, PD-L1, enhances anti-tumor activity. OBJECTIVES: We aimed to assess the association between PD-L1 expression in tumor cells and CD8+ tumor infiltrating T cells (TILs) as well as soluble (s)PD-L1 serum levels in patients with triple negative breast cancer (TNBC) compared to triple positive (TPBC). METHODS: A total of 113 tumor sections and 133 serum samples were available from 144 patients with breast cancer (72 TNBC and 72 TPBC). Dual immunohistochemistry staining was applied to determine differential PD-L1 expression in tumor cells and CD8+ TILs. Soluble PD-L1 serum levels were also evaluated in patients compared to 40 healthy women by ELISA method. RESULTS: Despite TPBC patients which were mostly grades 1/2, TNBC patients were grade 3 (72% versus 66.7%, P < 0.001). Most of the TNBC patients were stages I/II, whereas most of the TPBC patients were stages III/IV (57.3% versus 68.3%,P = 0.005). There was no difference in tumor size and metastasis between TNBC and TPBC patients, although the number of involved lymph nodes was significantly more in TPBC patients (P = 0.0012). PD-L1 expression was detected in 11.5% of samples mostly in TNBC subtype and was associated with advanced grades (P = 0.039). There was no relationship between PD-L1 expression and tumor stage. PD-L1 expression in CD8+ TILs was nonsignificantly higher than tumor cells. Serum levels of sPD-L1 showed no difference between patients and healthy women. We found no correlation between PD-L1 expression in tumor lesions and serum levels of sPD-L1 in patients. CONCLUSION: PD-L1 expression was more detected in our patients with TNBC. It seems that, these patients who are resistant to standard chemotherapy regimens may get benefit from PD-L1 inhibition therapy and because of its low serum levels, sPD-L1 cannot interfere with this therapy.

scholarly journals Effects of Amoxicillin Subinhibitory Concentrations on the Cross-Protection Developed by Pneumococcal Antibodies in Mouse Sepsis Caused by an Amoxicillin-Resistant Serotype 6B Streptococcus pneumoniae Strain

2004 ◽  
Vol 48 (11) ◽  
pp. 4144-4147 ◽  
Author(s):  
D. Tarragó ◽  
L. Aguilar ◽  
M. J. Giménez ◽  
A. Fenoll ◽  
J. Casal
Keyword(s):  
Streptococcus Pneumoniae ◽  
Serum Levels ◽  
Cross Protection ◽  
Significant Activity ◽  
Hyperimmune Serum ◽  
Serum Peak ◽  
Null Value ◽  
Subinhibitory Concentrations ◽  
Antibiotic Efficacy

ABSTRACT A model of mouse sepsis caused by a serotype 6B Streptococcus pneumoniae strain (amoxicillin MIC of 8 μg/ml) was developed to investigate the therapeutic effect of an amoxicillin dose (3.12 mg/kg of body weight three times daily for 48 h) producing, over the whole treatment period, subinhibitory concentrations in serum (peak concentration [C max]: 6.1 μg/ml) in animals that prior to infection had been passively immunized with a 6B or 23F hyperimmune serum (obtained by immunization with a whole-cell heat-inactivated inoculum and diluted to produce no protective effect by itself). Mortality in nonimmunized animals treated with antibiotic (3.12 mg/kg) was 90%, and mortality in animals immunized but not treated with the antibiotic was 100%. Antibiotic treatment in immunized animals produced mortality rates ≤20% when the hyperimmune serum was used, thus showing cross-protection and synergism (defined as the situation in which there is no response to the single agents [no differences versus placebo] while the combination exhibits significant activity) with subinhibitory concentrations of the antibiotic. The presence of antipneumococcal antibodies allowed antibiotic efficacy with negligible values of pharmacodynamic parameters (C max/MIC ratio of <1 and thus a null value for the time that serum levels exceed the MIC). This in vivo synergism offers a potential therapeutic strategy against resistant strains.

α-Tocopherol, lipids and lipoproteins in knee-joint synovial fluid and serum from patients with inflammatory joint disease

1992 ◽  
Vol 83 (6) ◽  
pp. 657-664 ◽  
Author(s):  
K. Fairburn ◽  
M. Grootveld ◽  
R. J. Ward ◽  
C. Abiuka ◽  
M. Kus ◽  
...  
Keyword(s):  
Synovial Fluid ◽  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Serum Levels ◽  
Biologically Active ◽  
Joint Disease ◽  
Inflammatory Joint Disease ◽  
Serum Samples ◽  
Control Serum ◽  
Inflammatory Synovial Fluid

1. We have determined the antioxidant status of synovial fluid and serum of patients with inflammatory joint disease in terms of the biologically active lipid-soluble antioxidant, α-tocopherol. Synovial fluid concentrations of α-tocopherol were significantly lower relative to those of paired serum samples (P<0.001). Serum levels of α-tocopherol in these patients did not differ significantly from those in control serum. 2. Lower concentrations of cholesterol, triacylglycerol and low-density lipoprotein were also observed in patients' synovial fluid compared with matched serum samples. However, multiple regression analysis of the data indicated that there remained a significant depletion of α-tocopherol, which was largely independent of these co-variables, in inflammatory synovial fluid. These findings are consistent with the consumption of α-tocopherol within the inflamed joint via its role in terminating the process of lipid peroxidation. 3. Nuclear magnetic resonance spectroscopic analysis of matched inflammatory synovial fluid and serum confirmed lower concentrations of triacylglycerol in synovial fluid together with evidence of a shortened mean triacylglycerol chain length. The latter metabolic difference suggests an increased utilization of triacylglycerols for energy within the inflamed joint.

ENDOCRINE STUDIES AND SUCCESSFUL TREATMENT IN A PATIENT WITH TRUE HERMAPHRODITISM

1979 ◽  
Vol 91 (1) ◽  
pp. 184-192
Author(s):  
Evangelina Valdés ◽  
Carlos Fernández del Castillo ◽  
Raul Gutiérrez ◽  
Fernando Larrea ◽  
Martha Medina ◽  
...  
Keyword(s):  
Chromosome Complement ◽  
Reproductive Function ◽  
External Genitalia ◽  
Serum Testosterone ◽  
Serum Levels ◽  
Normal Children ◽  
Serum Lh ◽  
Genital Ambiguity ◽  
And Gender ◽  
Lh Rh

ABSTRACT A 12-year old, 46 XX true hermaphrodite born with genital ambiguity was studied and successfully treated. The serum LH and FSH profile resembled that of a pubertal normal individual, and LH-RH administration induced a normal LH response. Baseline testosterone serum levels were within the range for normal children. Exogenous HCG stimulation induced a significant serum testosterone increase up to values similar to those observed in normal post-pubertal males. Surgical examination disclosed the presence of bilateral ovotestis, normal Mullerian derivatives, epididymis, and vas deferens. A complete ovotestis with testicular predominance and the testicular portion of the contralateral ovotestis as well as the Wolffian derivatives, were removed. A further HCG stimulation 3 months after surgery, failed to induce serum testosterone increase. Spontaneous menarche was observed 6 months after surgery and ovulation was well documented. At present the patient has several characteristics of female sex including those of chromosome complement, gonad, internal and external genitalia, hormone levels and gender identity, thus demonstrating that treatment was successful and that reproductive function could be obtained. The finding of spontaneous ovulation following removal of the testicular portion suggests normal cyclic gonadotrophic release implying a difference between animal models and man in regard to hypothalamic virilization.

scholarly journals Preclinical immunogenicity testing using anti-drug antibody analysis of GX-G3, Fc-fused recombinant human granulocyte colony-stimulating factor, in rat and monkey models

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Yun Jung Kim ◽  
Eun Mi Koh ◽  
Chi Hun Song ◽  
Mi Sun Byun ◽  
Yu Ri Choi ◽  
...  
Keyword(s):  
Recovery Period ◽  
White Blood Cells ◽  
Serum Levels ◽  
Granulocyte Colony Stimulating Factor ◽  
Colony Stimulating Factor ◽  
Serum Samples ◽  
Toxicological Studies ◽  
Validation Parameters ◽  
Immunogenicity Assessment ◽  
Stimulating Factor

AbstractHuman granulocyte colony-stimulating factor (G-CSF, this study used Fc-fused recombinant G-CSF; GX-G3) is an important glycoprotein that stimulates the proliferation of granulocytes and white blood cells. Thus, G-CSF treatment has been considered as a crucial regimen to accelerate recovery from chemotherapy-induced neutropenia in cancer patients suffering from non-myeloid malignancy or acute myeloid leukemia. Despite the therapeutic advantages of G-CSF treatment, an assessment of its immunogenicity must be performed to determine whether the production of anti-G-CSF antibodies causes immune-related disorders. We optimized and validated analytical tools by adopting validation parameters for immunogenicity assessment. Using these validated tools, we analyzed serum samples from rats and monkeys injected subcutaneously with GX-G3 (1, 3 or 10 mg/kg once a week for 4 weeks followed by a 4-week recovery period) to determine immunogenicity response and toxicokinetic parameters with serum concentration of GX-G3. Several rats and monkeys were determined to be positive for anti-GX-G3 antibodies. Moreover, the immunogenicity response of GX-G3 was lower in monkeys than in rats, which was relevant to show less inhibition of toxicokinetic profiles in monkeys, at least 1 mg/kg administrated group, compared to rats. These results suggested the establishment and validation for analyzing anti-GX-G3 antibodies and measurement of serum levels of GX-G3 and anti-GX-G3 antibodies, which was related with toxicokinetic profiles. Taken together, this study provides immunogenicity assessment which is closely implicated with toxicokinetic study of GX-G3 in 4-week repeated administrated toxicological studies.

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