Despite major achievements in the treatment ofchronic hepatitis C with the combination ofinterferons and the nucleoside analog ribavirin themajority of patients with chronic hepatitis C virus(HCV) infection cannot be ...Despite major achievements in the treatment ofchronic hepatitis C with the combination ofinterferons and the nucleoside analog ribavirin themajority of patients with chronic hepatitis C virus(HCV) infection cannot be treated effectively.Toimprove this response rate we used antisensetechnologies to inhibit HCV translation as possibleadditional option for experimental treatment.Antisense oligodeoxynucleotides(ODN) are展开更多
The efficacy of ursodeoxycholic acid(UDCA)on long-term outcome of primary biliary cirrhosis(PBC)has been less documented in Chinese cohort.We aimed to assess the therapeutic effect of UDCA on Chinese patients with PBC...The efficacy of ursodeoxycholic acid(UDCA)on long-term outcome of primary biliary cirrhosis(PBC)has been less documented in Chinese cohort.We aimed to assess the therapeutic effect of UDCA on Chinese patients with PBC.In the present study,67 patients with PBC were treated with UDCA(13–15 mg∙kg^(-1)∙day^(-1))and followed up for 2 years to evaluate the changes of symptoms,laboratory values and histological features.As the results indicated,fatigue and pruritus were obviously improved by UDCA,particularly in patients with mild or moderate symptoms.The alkaline phosphatase andγ-glutamyl transpetidase levels significantly declined at year 2 comparing to baseline values,with the most profound effects achieved in patients at stage 2.The levels of alanine aminotransferase and aspartate aminotransferase significantly decreased whereas serum bilirubin and immunoglobulin M levels exhibited no significant change.Histological feature was stable in patients at stages 1–2 but still progressed in patients at stages 3–4.The biochemical response of patients at stage 2 was much better than that of patients at stages 3–4.These data suggest that,when treated in earlier stage,patients in long-term administration of UDCA can gain favorable results not only on symptoms and biochemical responses but also on histology.It is also indicated that later histological stage,bad biochemical response and severe symptom may be indicators of poor prognosis for UDCA therapy.展开更多
AIM To clone expressed genes associated withrepair of irradiation-damaged mice intestinalgland cells treated by small intestinal RNA,andto explore the molecular mechanism ofexogenous nucleic acids improving repair ofi...AIM To clone expressed genes associated withrepair of irradiation-damaged mice intestinalgland cells treated by small intestinal RNA,andto explore the molecular mechanism ofexogenous nucleic acids improving repair ofintestinal crypt.METHODS The animal mode of test group andcontrol group was established,forty-five micebeing irradiated by γ ray were treated with smallintestinal RNA as test group,forty mice beingirradiated by γ ray were treated withphysiological saline as control group,five micewithout irradiation were used as normal control,their jejunal specimens were collectedrespectively at 6h,12h,24h,4d and 8d afterirradiation.Then by using LD-PCR based onsubtractive hybridization,these gene fragmentsdifferentially expressed between test group andcontrol group were obtained,and then werecloned into T vectors as well as beingsequenced.Obtained sequences were screenedagainst.GeneBank,if being new sequences,they were submitted to GeneBank.RESULTS Ninety clones were associated withrepair of irradiation-damaged intestinal glandcells treated by intestinal RNA.These clonesfrom test group of 6h,12h,24h,4d and 8dwere respectively 18,22,25,13,12.By screening against GeneBank,18 of which werenew sequences,the others were dramaticallysimilar to the known sequences,mainly similarto hsp,Nmi,Dutt1,alkaline phosphatase,homeobox,anti-CEA ScFv antibody,arginine/serine kinase and BMP-4,repA.Eighteen genefragments were new sequences,their acceptnumbers in GeneBank were respectivelyAF240164-AF240181.CONCLUSION Ninety clones were obtained tobe associated with repair of irradiation-damagedmice intestinal gland cells treated by smallintestinal RNA,which may be related toabnormal expression of genes and matchedproteins of hsp,Nmi,Duttl,Na,K-ATPase,alkalineph-osphatase,glkA,single strandedreplicative centromeric gene as well as 18 newsequences.展开更多
The liver has a vital role in many metabolic and regulatory processes in the body.Primary biliary cholangitis(PBC),previously known as primary biliary cirrhosis,is a chronic cholestatic autoimmune disease of the intra...The liver has a vital role in many metabolic and regulatory processes in the body.Primary biliary cholangitis(PBC),previously known as primary biliary cirrhosis,is a chronic cholestatic autoimmune disease of the intrahepatic bile ducts associated with loss of tolerance to mitochondrial antigens.At this time there is no definitive cure for PBC;however,ursodeoxycholic acid(UDCA)has been shown to reduce injury when administered as the first line of treatment.Additional therapeutics can be given concurrently or as an alternative to UDCA to manage the symptoms and further curb disease progression.Currently,a liver transplant is the only potentially curative option when the patient has developed end-stage liver disease or intractable pruritus.This review aims to delineate the pathogenesis of primary biliary cholangitis and shed light on current therapeutic strategies in the treatment of PBC.展开更多
Food must supply a balance of nutrients to support both brain and body.The human brain makes us uniquely human.Essential fatty acids are part of the metabolic pathways that define tissue structure and function.Omega-6...Food must supply a balance of nutrients to support both brain and body.The human brain makes us uniquely human.Essential fatty acids are part of the metabolic pathways that define tissue structure and function.Omega-6(O6)linoleic acid(LA6)has long been known to be required for skin structure,and as a precursor for inflammatory,thrombotic,immune,and other signaling molecules.Omega-3(O3)alpha-linolenic acid(ALA3)and particularly its long chain product docosahexaenoic acid(DHA3)has a key structural role in the brain,retina,and related neural tissue.In the 20 th century western world,inexpensive,high quality oils primarily from LA6-rich/O3-poor vegetable seed oils became dominant fats produced by the food industry.Provision of LA6-rich/O3-poor oils as the sole source of fat in the diets of pregnant animals causes O3 deficiency and poor brain development,primarily because high LA6 antagonizes metabolism of all O3,creating an artificial metabolic demand for O3.Data developed over the last 2~3 decades show that provision of low LA6 combined with preformed DHA3 optimizes brain function.Recent studies emphasize the importance of nutrition to support brain development,with newer findings showing particular importance of fatty acid balance in malnourished children.The World Health Organization(WHO)through the Codex Alimentarius(“Code for Food”)is increasingly recognizing the primacy of brain health and in part on that basis recently acted to recommend balanced fat for Ready-to-Use-Therapeutic Foods used to treat children with severe acute malnutrition.Similar principles are likely to be important in older persons.Industry now has the tools to adjust the composition of oils to support brain health throughout the life cycle.展开更多
文摘Despite major achievements in the treatment ofchronic hepatitis C with the combination ofinterferons and the nucleoside analog ribavirin themajority of patients with chronic hepatitis C virus(HCV) infection cannot be treated effectively.Toimprove this response rate we used antisensetechnologies to inhibit HCV translation as possibleadditional option for experimental treatment.Antisense oligodeoxynucleotides(ODN) are
基金supported by the National Natural Science Foundation of China(Grant Nos.81070326,30971339)Science&Technology Innovation Project of Shaanxi(Grant No.2011KTCL03-09).
文摘The efficacy of ursodeoxycholic acid(UDCA)on long-term outcome of primary biliary cirrhosis(PBC)has been less documented in Chinese cohort.We aimed to assess the therapeutic effect of UDCA on Chinese patients with PBC.In the present study,67 patients with PBC were treated with UDCA(13–15 mg∙kg^(-1)∙day^(-1))and followed up for 2 years to evaluate the changes of symptoms,laboratory values and histological features.As the results indicated,fatigue and pruritus were obviously improved by UDCA,particularly in patients with mild or moderate symptoms.The alkaline phosphatase andγ-glutamyl transpetidase levels significantly declined at year 2 comparing to baseline values,with the most profound effects achieved in patients at stage 2.The levels of alanine aminotransferase and aspartate aminotransferase significantly decreased whereas serum bilirubin and immunoglobulin M levels exhibited no significant change.Histological feature was stable in patients at stages 1–2 but still progressed in patients at stages 3–4.The biochemical response of patients at stage 2 was much better than that of patients at stages 3–4.These data suggest that,when treated in earlier stage,patients in long-term administration of UDCA can gain favorable results not only on symptoms and biochemical responses but also on histology.It is also indicated that later histological stage,bad biochemical response and severe symptom may be indicators of poor prognosis for UDCA therapy.
基金"211"project fund (No.98X207)National Natural Science Foundation of China,No.38970279
文摘AIM To clone expressed genes associated withrepair of irradiation-damaged mice intestinalgland cells treated by small intestinal RNA,andto explore the molecular mechanism ofexogenous nucleic acids improving repair ofintestinal crypt.METHODS The animal mode of test group andcontrol group was established,forty-five micebeing irradiated by γ ray were treated with smallintestinal RNA as test group,forty mice beingirradiated by γ ray were treated withphysiological saline as control group,five micewithout irradiation were used as normal control,their jejunal specimens were collectedrespectively at 6h,12h,24h,4d and 8d afterirradiation.Then by using LD-PCR based onsubtractive hybridization,these gene fragmentsdifferentially expressed between test group andcontrol group were obtained,and then werecloned into T vectors as well as beingsequenced.Obtained sequences were screenedagainst.GeneBank,if being new sequences,they were submitted to GeneBank.RESULTS Ninety clones were associated withrepair of irradiation-damaged intestinal glandcells treated by intestinal RNA.These clonesfrom test group of 6h,12h,24h,4d and 8dwere respectively 18,22,25,13,12.By screening against GeneBank,18 of which werenew sequences,the others were dramaticallysimilar to the known sequences,mainly similarto hsp,Nmi,Dutt1,alkaline phosphatase,homeobox,anti-CEA ScFv antibody,arginine/serine kinase and BMP-4,repA.Eighteen genefragments were new sequences,their acceptnumbers in GeneBank were respectivelyAF240164-AF240181.CONCLUSION Ninety clones were obtained tobe associated with repair of irradiation-damagedmice intestinal gland cells treated by smallintestinal RNA,which may be related toabnormal expression of genes and matchedproteins of hsp,Nmi,Duttl,Na,K-ATPase,alkalineph-osphatase,glkA,single strandedreplicative centromeric gene as well as 18 newsequences.
基金This work was supported by Texas A&M University,College of Medicine,Department of Medical Physiology,Bryan,TX,the NIH grants DK110035,DK129236,and AA028711 to Drs.Alpini,and Glaser,Cancer Prevention&Research Institute of Texas(CPRIT)-RP210213 to Dr.Chakrabortythe Hickam Endowed Chair,Gastroenterology,Medicine,Indiana University,the Indiana University Health-Indiana University School of Medicine Strategic Research Initiative,the Senior Career Scientist Award(IK6 BX004601)the VA Merit award(5I01BX000574)to GA from the United States Department of Veteran’s Affairs,Biomedical Laboratory Research and Development Service.The views expressed in this article are those of the authors and do not necessarily represent the Department of Veterans Affairs views.
文摘The liver has a vital role in many metabolic and regulatory processes in the body.Primary biliary cholangitis(PBC),previously known as primary biliary cirrhosis,is a chronic cholestatic autoimmune disease of the intrahepatic bile ducts associated with loss of tolerance to mitochondrial antigens.At this time there is no definitive cure for PBC;however,ursodeoxycholic acid(UDCA)has been shown to reduce injury when administered as the first line of treatment.Additional therapeutics can be given concurrently or as an alternative to UDCA to manage the symptoms and further curb disease progression.Currently,a liver transplant is the only potentially curative option when the patient has developed end-stage liver disease or intractable pruritus.This review aims to delineate the pathogenesis of primary biliary cholangitis and shed light on current therapeutic strategies in the treatment of PBC.
基金US National Institutes of Health(R01s AT007003,GM103437,GM71534,EY10208,GM49209)Unorthodox Philanthropy+3 种基金Open Philanthropythe Hickey Family Foundationthe Children’s Discovery InstituteWiley Companies。
文摘Food must supply a balance of nutrients to support both brain and body.The human brain makes us uniquely human.Essential fatty acids are part of the metabolic pathways that define tissue structure and function.Omega-6(O6)linoleic acid(LA6)has long been known to be required for skin structure,and as a precursor for inflammatory,thrombotic,immune,and other signaling molecules.Omega-3(O3)alpha-linolenic acid(ALA3)and particularly its long chain product docosahexaenoic acid(DHA3)has a key structural role in the brain,retina,and related neural tissue.In the 20 th century western world,inexpensive,high quality oils primarily from LA6-rich/O3-poor vegetable seed oils became dominant fats produced by the food industry.Provision of LA6-rich/O3-poor oils as the sole source of fat in the diets of pregnant animals causes O3 deficiency and poor brain development,primarily because high LA6 antagonizes metabolism of all O3,creating an artificial metabolic demand for O3.Data developed over the last 2~3 decades show that provision of low LA6 combined with preformed DHA3 optimizes brain function.Recent studies emphasize the importance of nutrition to support brain development,with newer findings showing particular importance of fatty acid balance in malnourished children.The World Health Organization(WHO)through the Codex Alimentarius(“Code for Food”)is increasingly recognizing the primacy of brain health and in part on that basis recently acted to recommend balanced fat for Ready-to-Use-Therapeutic Foods used to treat children with severe acute malnutrition.Similar principles are likely to be important in older persons.Industry now has the tools to adjust the composition of oils to support brain health throughout the life cycle.
