1.Herbal Textual Research on Inulae Flos in Famous Classical Formulas
Caixia LIU ; Yue HAN ; Yanzhu MA ; Lei GAO ; Sheng WANG ; Yan YANG ; Wenchuan LUO ; Ling JIN ; Jing SHAO ; Zhijia CUI ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(3):210-221
In this paper, by referring to ancient and modern literature, the textual research of Inulae Flos has been conducted to clarify the name, origin, production area, quality evaluation, harvesting, processing and others, so as to provide reference and basis for the development and utilization of famous classical formulas containing this herb. After textual research, it could be verified that the medicinal use of Inulae Flos was first recorded in Shennong Bencaojing of the Han dynasty. In successive dynasties, Xuanfuhua has been taken as the official name, and it also has other alternative names such as Jinfeicao, Daogeng and Jinqianhua. The period before the Song and Yuan dynasties, the main origin of Inulae Flos was the Asteraceae plant Inula japonica, and from the Ming and Qing dynasties to the present, I. japonica and I. britannica are the primary source. In addition to the dominant basal species, there are also regional species such as I. linariifolia, I. helianthus-aquatili, and I. hupehensis. The earliest recorded production areas in ancient times were Henan, Hubei and other places, and the literature records that it has been distributed throughout the country since modern times. The medicinal part is its flower, the harvesting and processing method recorded in the past dynasties is mainly harvested in the fifth and ninth lunar months, and dried in the sun, and the modern harvesting is mostly harvested in summer and autumn when the flowers bloom, in order to remove impurities, dry in the shade or dry in the sun. In addition, the roots, whole herbs and aerial parts are used as medicinal materials. In ancient times, there were no records about the quality of Inulae Flos, and in modern times, it is generally believed that the quality of complete flower structure, small receptacles, large blooms, yellow petals, long filaments, many fluffs, no fragments, and no branches is better. Ancient processing methods primarily involved cleaning, steaming, and sun-drying, supplemented by techniques such as boiling, roasting, burning, simmering, stir-frying, and honey-processing. Modern processing focuses mainly on cleaning the stems and leaves before use. Regarding the medicinal properties, ancient texts describe it as salty and sweet in taste, slightly warm in nature, and mildly toxic. Modern studies characterize it as bitter, pungent, and salty in taste, with a slightly warm nature. Its therapeutic effects remain consistent across eras, including descending Qi, resolving phlegm, promoting diuresis, and stopping vomiting. Based on the research results, it is recommended that when developing famous classical formulas containing Inulae Flos, either I. japonica or I. britannica should be used as the medicinal source. Processing methods should follow formula requirements, where no processing instructions are specified, the raw products may be used after cleaning.
2.Herbal Textual Research on Inulae Flos in Famous Classical Formulas
Caixia LIU ; Yue HAN ; Yanzhu MA ; Lei GAO ; Sheng WANG ; Yan YANG ; Wenchuan LUO ; Ling JIN ; Jing SHAO ; Zhijia CUI ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(3):210-221
In this paper, by referring to ancient and modern literature, the textual research of Inulae Flos has been conducted to clarify the name, origin, production area, quality evaluation, harvesting, processing and others, so as to provide reference and basis for the development and utilization of famous classical formulas containing this herb. After textual research, it could be verified that the medicinal use of Inulae Flos was first recorded in Shennong Bencaojing of the Han dynasty. In successive dynasties, Xuanfuhua has been taken as the official name, and it also has other alternative names such as Jinfeicao, Daogeng and Jinqianhua. The period before the Song and Yuan dynasties, the main origin of Inulae Flos was the Asteraceae plant Inula japonica, and from the Ming and Qing dynasties to the present, I. japonica and I. britannica are the primary source. In addition to the dominant basal species, there are also regional species such as I. linariifolia, I. helianthus-aquatili, and I. hupehensis. The earliest recorded production areas in ancient times were Henan, Hubei and other places, and the literature records that it has been distributed throughout the country since modern times. The medicinal part is its flower, the harvesting and processing method recorded in the past dynasties is mainly harvested in the fifth and ninth lunar months, and dried in the sun, and the modern harvesting is mostly harvested in summer and autumn when the flowers bloom, in order to remove impurities, dry in the shade or dry in the sun. In addition, the roots, whole herbs and aerial parts are used as medicinal materials. In ancient times, there were no records about the quality of Inulae Flos, and in modern times, it is generally believed that the quality of complete flower structure, small receptacles, large blooms, yellow petals, long filaments, many fluffs, no fragments, and no branches is better. Ancient processing methods primarily involved cleaning, steaming, and sun-drying, supplemented by techniques such as boiling, roasting, burning, simmering, stir-frying, and honey-processing. Modern processing focuses mainly on cleaning the stems and leaves before use. Regarding the medicinal properties, ancient texts describe it as salty and sweet in taste, slightly warm in nature, and mildly toxic. Modern studies characterize it as bitter, pungent, and salty in taste, with a slightly warm nature. Its therapeutic effects remain consistent across eras, including descending Qi, resolving phlegm, promoting diuresis, and stopping vomiting. Based on the research results, it is recommended that when developing famous classical formulas containing Inulae Flos, either I. japonica or I. britannica should be used as the medicinal source. Processing methods should follow formula requirements, where no processing instructions are specified, the raw products may be used after cleaning.
3.A Case of Multidisciplinary Treatment for a Patient with Gorham-Stout Disease
Jing HU ; Ying JIN ; Yan ZHANG ; Ji LI ; Wenhui WANG ; Yue CHI ; Chunxu LI ; Zhenjie ZHANG ; Yaping LIU ; Xiaotian CHU ; Jin XU ; Min SHEN
JOURNAL OF RARE DISEASES 2026;5(1):52-59
Gorham-Stout disease(GSD) is a rare osteolytic disorder characterized by spontaneous and progressive osteolysis, along with abnormal angiogenesis and lymphangiogenesis, with no new bone formation. We present a case of a 15-year-old female admitted due to " recurrent right leg pain for 5 years, 11 months after undergoing right femoral fracture surgery". Through comprehensive integration of the patient's clinical phenotype, laboratory tests, imaging findings, pathological examinations, and molecular biological test results, GSD was considered highly likely. A multidisciplinary treatment approach was conducted, including a combination of zoledronic acid and sirolimus to inhibit osteolysis, along with rehabilitation training and orthopedic intervention, providing a personalized and comprehensive treatment strategy.
4.DIA Proteomic Profiling on Staged Regulatory Effect of Tonifying Deficiency and Dredging Collaterals Method on Liver Fibrosis in Rats Based on Theory of "Zhu Ke Jiao"
Xin WANG ; Pengyu ZHU ; Li WEN ; Jibin LIU ; Aochun YUE ; Ziyi CHEN ; Jing ZHANG ; Li ZHU ; Quansheng FENG ; Cen JIANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(14):119-132
ObjectiveThis paper aims to investigate the differential mechanisms underlying the staged therapeutic effects of Qijia Rougan formula on liver fibrosis using proteomic technology. MethodsThe staged rat model of liver fibrosis was established by subcutaneous injection of carbon tetrachloride (CCl4) and olive oil. One hundred and four SD rats were randomized into thirteen groups:a normal group,a two-week model group,a four-week model group,a six-week model group,an eight-week model group,a two-week Qijia Rougan formula group,a four-week Qijia Rougan formula group,a six-week Qijia Rougan formula group,an eight-week Qijia Rougan formula group,a two-week compound Biejia Ruangan tablet group,a four-week Compound Biejia Ruangan Tablet group,a six-week Compound Biejia Ruangan Tablet group,and an eight-week compound Biejia Ruangan tablet group. After two weeks of drug intervention,liver tissue and abdominal aortic blood samples were collected from the rats for testing. Hematoxylin-eosin (HE) staining,Masson staining,and Picro Sirius red staining were used to observe pathological damage and collagen fiber deposition in liver tissues. Immunohistochemistry (IHC) was employed to detect the contents of fibrosis markers in liver tissues. The contents of liver function indicators in the serum were measured using a fully automated biochemical analyzer,and the levels of liver fibrosis indicators in the serum were assessed by enzyme-linked immunosorbent assay (ELISA). Liver tissues from the normal group,each model group,and each Qijia Rougan formula group were subjected to label-free quantitative proteomic analysis to identify differential proteins among the groups,with key proteins validated by Western blot. Finally,bioinformatics analysis was performed on the differential proteins. Results(1) The staged rat model of liver fibrosis constructed with CCl4 and olive oil showed pathological results at the 2nd,4th,6th,and 8th weeks of modeling that were consistent with the Metavir standards for the F1,F2,F3,and F4 stages. Compared with those in the normal control group,the protein expressions of α-smooth muscle actin (α-SMA) and Collagen Ⅰ were significantly increased in each stage (P<0.05). The levels of liver function indicators in the serum,including alanine aminotransferase (ALT),aspartate aminotransferase (AST),alkaline phosphatase (ALP),direct bilirubin (DBIL),and total bilirubin (TBil) in each model group,were significantly elevated in each stage (P<0.01). The levels of liver fibrosis indicators in the serum,including procollagen Ⅲ peptide (PⅢP),type Ⅳ collagen(Ⅳ-C),hyaluronic acid (HA),and laminin (LN) in each model group,were significantly increased in each stage (P<0.05,P<0.01). This study successfully established a staged rat model of liver fibrosis. (2) Compared with the model groups at each stage,the administration groups showed a reduction in hepatocyte ballooning degeneration,a more orderly arrangement of hepatocytes,and a decrease of inflammatory cell infiltration. The blue-stained collagen fibers became significantly thinner and finer,with reduced and narrowed fibrous septa. The areas of collagen fibers and Picro Sirius red staining were reduced (P<0.05). The positive areas of α-SMA and Collagen Ⅰ expression were significantly decreased (P<0.05). The levels of ALT,AST,ALP,DBIL,and TBil in the rats of the model groups at each stage were significantly reduced (P<0.05,P<0.01). The levels of PⅢP,Ⅳ-C,HA,and LN in the rats of the model groups at each stage were significantly decreased (P<0.05). Among these,the improvements in all indicators were most significant in the F3 stage (P<0.01).(3) The proteomic results show that a total of 165 differential proteins exhibit a callback trend when comparing the model groups at four stages with the normal group,and when comparing the Qijia Rougan formula group with the model group. Western blot analysis reveals that the levels of NAD(P)H:quinone oxidoreductase 1 (NQO1),mitogen-activated protein kinase 1 (MAPK1),arginase 1 (Arg1),and glutathione S-transferase α1 (GSTA1) were consistent with the proteomic results. Bioinformatics results reveal that 165 differentially expressed proteins are enriched in multiple signaling pathways. Notably,signaling pathways such as drug metabolism-cytochrome P450,arginine biosynthesis,and the peroxisome proliferator-activated receptor (PPAR) signaling pathway were found to be closely associated with liver fibrosis,suggesting that the Qijia Rougan formula may exert its staged regulatory effects on liver fibrosis by regulating these pathways. ConclusionThe Qijia Rougan formula may achieve staged regulation of liver fibrosis by regulating drug metabolism-cytochrome P450,arginine biosynthesis,and the PPAR signaling pathway.
5.Clinical characteristics of patients with autoimmune encephalitis and related factors of social frailty
Yue XU ; Yang XIANG ; Jing WANG
Journal of Public Health and Preventive Medicine 2026;37(4):155-159
Objective To explore the clinical characteristics of autoimmune encephalitis (AE) and the related factors of social frailty. Methods A total of 412 patients with AE admitted to the hospital between January 2020 and August 2025 were collected as research subjects. According to the occurrence status of social frailty, the above patients were classified into social frailty group (n=166) and control group (n=246). The clinical data of patients were analyzed, Multivariate logistic regression analysis was used to analyze the related factors of social frailty in patients with AE.. Results Among the 412 patients, 166 cases (40.29%) had social frailty and 246 cases (59.71%) did not have social frailty. The proportions of age≥40 years old, language disorder, epileptic seizure, acute onset and abnormal cranial magnetic resonance imaging (MRI) in the social frailty group were higher than those in the control group (Multivariate logistic regression analysis was used to analyze the related factors of social frailty in patients with AE.P<0.05). Age≥40 years old, language disorder, acute onset, Abnormal cranial magnetic resonance imaging is a related factor for the occurrence of social frailty in patients with AE (P<0.05). The area under the curve of the logistic regression model for prediction was 0.851, suggesting that the model had good predictive value. Conclusion Age, language disorder, epileptic seizure, acute onset and cranial MRI abnormality are important risk factors of social frailty in patients with AE. The prediction model based on these factors exhibits good clinical application value.
6.Comparison of clinical outcomes of two diffractive extended depth-of-focus intraocular lenses
Chuyao ZHANG ; Zhigang CHENG ; Yue CHENG ; Jing WANG ; Jinsong ZHANG ; Tianxiao ZHANG
International Eye Science 2026;26(10):1710-1716
AIM: To compare the postoperative clinical outcomes of two diffractive extended depth-of-focus intraocular lenses(IOLs), the AMEUH and the Tecnis Symfony IOL.
METHODS:This prospective cohort, multicenter study enrolled patients with cataract who underwent cataract phacoemulsification with IOL implantation at three hospitals between October 2024 and June 2025. Patients were divided into the AMEUH group and the ZXR00 group according to the implanted IOL. The AMEUH group included patients implanted with diffractive extended depth-of-focus IOL, and the ZXR00 group included patients implanted with the Tecnis Symfony IOL. At 6 mo postoperatively, ocular biometric parameters, photopic uncorrected distance visual acuity(UDVA), uncorrected intermediate visual acuity(UIVA), uncorrected near visual acuity(UNVA), corrected distance visual acuity(CDVA), distance-corrected intermediate visual acuity(DCIVA), and distance-corrected near visual acuity(DCNVA); mesopic CDVA, DCIVA, and DCNVA, defocus curves, manifest refraction, contrast sensitivity, adverse visual symptoms, spectacle independence, patient satisfaction, and intraocular pressure were compared between the two groups.
RESULTS:A total of 83 patients(83 eyes)were included in this study, including 31 males(31 eyes)and 52 females(52 eyes), with a mean age of 63.18±10.30 y. The AMEUH group included 41 patients(41 eyes), aged 67.00(60.00, 72.00)y, including 13 males and 28 females. The ZXR00 group included 42 patients(42 eyes), aged 62.00(57.50, 69.00)y, including 18 males and 24 females. The 77 patients completed 6 mo postoperative follow up, with 6 patients lost to follow up(3 from the AMEUH group and 3 from the ZXR00 group). There were no significant differences in ocular biometric parameters between the two groups postoperative 6 mo(all P>0.05). No significant differences were observed in photopic UDVA, UIVA, UNVA, CDVA, and DCIVA, or in mesopic CDVA and DCIVA between the two groups(all P>0.05). However,photopic and mesopic DCNVA in the AMEUH group were significantly better than in the ZXR00 group(both P<0.05). The effective depth-of-focus in the AMEUH group was increased by 0.5 D compared with the ZXR00 group. Significant differences were observed in manifest refraction between the two groups(P<0.05). Under specific lighting conditions and spatial frequencies, contrast sensitivity in the AMEUH group was significantly better than in the ZXR00 group(all P<0.05). The incidences of glare, halos, and blurred vision in the AMEUH group were all significantly lower than in the ZXR00 group(all P<0.05). There were no significant differences in spectacle independence for distance, intermediate, and near vision, or in patient satisfaction for distance and intermediate vision between the two groups(all P>0.05). However, patient satisfaction for near vision in the AMEUH group was significantly higher than in the ZXR00 group(P<0.05).
CONCLUSION:The diffractive extended depth-of-focus IOL AMEUH further extends the depth-of-focus through a higher-order aspheric optical design based on a diffractive design, providing comparable efficacy to the Symfony IOL in improving distance and intermediate vision. Meanwhile, benefiting from its higher add power, it provides superior near visual performance, and reduces spectacle dependence. The AMEUH IOL is associated with a lower incidence of postoperative adverse visual symptoms, as well as favorable safety, and high patient satisfaction.
7.Predictive value of contrast-enhanced ultrasound in evaluating delayed graft function in kidneys from donation after brain death
Jing SUN ; Yue WANG ; Jianlei JI ; Jinquan LIU ; Xiaodong WU ; Chuanshen XU ; Jianhong WANG
Organ Transplantation 2025;16(3):460-466
Objective To investigate the predictive value of quantitative parameters of contrast-enhanced ultrasound (CEUS) in evaluating kidneys from donation after brain death (DBD) for the occurrence of delayed graft function (DGF) in recipients. Methods The clinical data of 134 DBD donors and 202 corresponding kidneys and recipients were retrospective analyzed. The recipients were divided into DGF group (n=39) and non-DGF group (n=163) according to the renal function after kidney transplantation. Conventional ultrasound, CEUS parameters, and clinical data were compared between the two groups. Receiver operating characteristic (ROC) curves were used to determine the optimal cut-off values for predicting DGF using CEUS parameters, clinical parameters, and their combination, based on the highest Youden index. The predictive ability of different parameters for DGF was evaluated. Results There were statistically significant differences in cortical peak intensity (PIc), medullary peak intensity (PIm), donor albumin (ALB), serum creatinine (Scr) after admission, and the Na+ concentration of recipients between the two groups (all P<0.05). The area under the curve (AUC) for predicting DGF using the combination of CEUS parameters PIc and PIm was 0.711, with an optimal cut-off value of 0.193 and a Youden index of 0.382. The AUC for predicting DGF using the combination of CEUS parameters PIc, PIm and clinical parameters was 0.808, with an optimal cut-off value of 0.191 and a Youden index of 0.517. The sensitivity and specificity were 0.769 and 0.613 for the former, and 0.769 and 0.748 for the latter, respectively. The AUC for predicting DGF using CEUS parameters PIc and PIm combined with clinical parameters was significantly higher than that using CEUS parameters PIc and PIm (P<0.05). Conclusions The CEUS quantitative parameters PIc and PIm have good predictive value in assessing kidneys from DBD donors for DGF in recipients, and the diagnostic efficacy is better when combined with clinical parameters.
8.Effects of Modified Guomin Decoction (加味过敏煎) on Traditional Chinese Medicine Syndromes and Quality of Life in Patients with Mild to Moderate Atopic Dermatitis of Heart Fire and Spleen Deficiency Pattern:A Randomized,Double-Blind,Placebo-Controlled Trial
Jing NIE ; Rui PANG ; Lingjiao QIAN ; Hua SU ; Yuanwen LI ; Xinyuan WANG ; Jingxiao WANG ; Yi YANG ; Yunong WANG ; Yue LI ; Panpan ZHANG
Journal of Traditional Chinese Medicine 2025;66(10):1031-1037
ObjectiveTo observe the clinical efficacy and safety of Modified Guomin Decoction (加味过敏煎, MGD) in patients with mild to moderate atopic dermatitis (AD) of the traditional Chinese medicine (TCM) pattern of heart fire and spleen deficiency, and to explore its possible mechanisms. MethodsIn this randomized, double-blind, placebo-controlled study, 72 patients with mild to moderate AD and the TCM pattern of heart fire and spleen deficiency were randomly divided into a treatment group and a control group, with 36 cases in each group. The treatment group received oral MGD granules combined with topical vitamin E emulsion, while the control group received oral placebo granules combined with topical vitamin E treatment. Both groups were treated twice daily for 4 weeks. Clinical efficacy, TCM syndrome scores, Visual Analogue Scale (VAS) for pruritus, Dermatology Life Quality Index (DLQI) scores, Scoring Atopic Dermatitis (SCORAD) and serum biomarkers, including interleukin-33 (IL-33), interleukin-1β (IL-1β), immunoglobulin E (IgE), and tumor necrosis factor-α (TNF-α) were compared before and after treatment. Safety indexes was also assessed. ResultsThe total clinical effective rates were 77.78% (28/36) in the treatment group and 38.89% (14/36) in the control group, with cure rates of 19.44% (7/36) and 2.78% (1/36), respectively. The treatment group showed significantly better clinical outcomes compared to the control group (P<0.05). The treatment group exhibited significant reductions in total TCM syndrome scores, including erythema, edema, papules, scaling, lichenification, pruritus, irritability, insomnia, abdominal distension, and fatigue scores, as well as reductions in VAS, DLQI, SCORAD, and serum IgE and IL-33 levels (P<0.05 or P<0.01). Compared to the control group, the treatment group had significantly better improvements in all indicators except for insomnia (P<0.05). No adverse events occurred in either group. ConclusionMGD is effective and safe in treating mild to moderate AD patients with heart fire and spleen deficiency pattern. It significantly alleviates pruritus, improves TCM syndromes and quality of life, and enhances clinical efficacy, possibly through modulation of immune responses.
9.GPSM2 is highly expressed in gastric cancer to affect patient prognosis by promoting tumor cell proliferation.
Xue SONG ; Yue CHEN ; Min ZHANG ; Nuo ZHANG ; Lugen ZUO ; Jing LI ; Zhijun GENG ; Xiaofeng ZHANG ; Yueyue WANG ; Lian WANG ; Jianguo HU
Journal of Southern Medical University 2025;45(2):229-238
OBJECTIVES:
To explore the association between GPSM2 expression level and gastric cancer progression and analyze the functional pathways and action mechanism of GPSM2.
METHODS:
We analyzed GPSM2 expression levels in gastric cancer tumors based on data from the GEPIA database and the clinical data of 109 patients. Public databases enrichment analysis were used to assess the impact of GPSM2 expression level on survival outcomes and the functional pathways and action mechanism of GPSM2. We further observed the effects of GPSM2 knockdown and overexpression on proliferation, migration and apoptosis of MGC803 cells using CCK-8 assay, colony formation assay, flow cytometry and immunoblotting and on the growth of MGC803 cell xenografts in nude mice.
RESULTS:
Bioinformatic analysis and immunohistochemical staining of the clinical specimens both revealed high GPSM2 expressions in gastric cancer (P<0.01). A high GPSM2 expression was significantly correlated with T3-4 stages, N2-3 stages, a carcinoembryonic antigen (CEA) level ≥5 μg/L, and a carbohydrate antigen (CA) 19-9 level ≥37 kU/L (P<0.05). Cox regression analysis identified high GPSM2 expression as an independent risk factor affecting 5-year survival of the patients (P<0.05). Gene ontology (GO) analysis suggested that GPSM2 was involved in cell cycle regulation. In MGC803 cells, GPSM2 overexpression significantly promoted cell proliferation and G1/S transition and xenograft growth in nude mice. KEGG pathway enrichment analysis indicated that GPSM2 executed its biological functions by regulating the p53 signaling pathway, which was confirmed by the results of immunoblotting experiments showing suppression of p53 signaling pathway activity in GPSM2-over expressing MGC803 cells.
CONCLUSIONS
GPSM2 is highly expressed in gastric cancer to affect patient prognosis by promoting tumor cell proliferation and G1/S transition possibly via inhibiting the p53 pathway.
Stomach Neoplasms/metabolism*
;
Humans
;
Cell Proliferation
;
Prognosis
;
Animals
;
Mice, Nude
;
Cell Line, Tumor
;
Mice
;
Apoptosis
;
Tumor Suppressor Protein p53/metabolism*
;
Cell Movement
10.Two novel rare variants in the PTH gene found in patients with hypoparathyroidism
Yue JIANG ; An SONG ; Jiajia WANG ; Xinqi CHENG ; Jing YANG ; Yan JIANG ; Mei LI ; Weibo XIA ; Xiaoping XING ; Min NIE ; Ou WANG
Osteoporosis and Sarcopenia 2025;11(1):22-28
Objectives:
Hypoparathyroidism (HP) is a rare endocrine disorder caused by parathyroid hormone (PTH) defi ciency. The PTH is a candidate gene for familial isolated hypoparathyroidism (FIH). This study aimed to investigate the pathogenicity of two novel rare variants (RVs) ofPTH through in vitro functional study.
Methods:
Targeted next-generation sequencing was used to identify candidate gene mutations. Clinical data were retrospectively collected. Wild-type (WT) PTH was used as a template for site-directed mutagenesis to create mutant eukaryotic expression plasmids, which were transfected into cells. Treated with or without 4-phenylbu tyric acid (4-PBA), the levels of intact PTH (iPTH) and PTH (1-84) were measured by chemiluminescence, and protein expression was assessed using Western blotting.
Results:
Two patients carrying PTH mutations (c.154G > A: p.Val52Ile, c.270G > T: p.Leu90Phe) were identified.Patient 1, a 45-year-old male, presented with carpal and pedal numbness, muscle cramps, and low serum calcium (1.29 mmol/L). Patient 2, a 12-year-old female, had muscle twitches, convulsions, low calcium (1.50 mmol/L), and iPTH of 4 pg/mL. The iPTH or PTH (1-84) levels in the medium transfected with mutant Val52Ile and Leu90Phe PTH decreased by 31%–38%, and 51%–96% compared to WT (allP < 0.05), which were not rescued by 4-PBA. No significant changes in intracellular PTH expression were observed.
Conclusions
In this study, two novel RVs of PTH(Val52Ile and Leu90Phe) were identified that may impair hormone synthesis and secretion. Our study has broadened the mutation spectrum of the PTH and shed light on potential mechanisms underlying FIH.


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