两种导致中国人地中海贫血的新突变基因的鉴定
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因的患者其Ct藏因mRNA淡达水平与基网型为~8“/眦患者相当,
而明显低于正常对照组;携带,90突变的B地贫患者其p珠蛋白基 瓣mRNA表这拳平饔显簿稳。魏羚,我们j丕获终了氆l鞣蛋鑫基嚣 密码子118饿斗TcA插入突交,并注册(GeneBank Accession
AY261678);程中国大陆首次发现了一。n协‰地贫类型。这些突变
5
the same method.In these works.we got some samples witll alpha or
beta thalassemia trait but no known mutations been found in these
samples.Then we used DNA mapping method such as southem blot,
设计和方法 采蔼整群攘样懿方法,对5605镶黪巍祥本霸7792镤婚硷祥
零逡行盘滚学表囊分聿厅结会审强入中鬻羹豹瓠8建贫鏊霾簿查毂 流行病学调查繁础上,获得衄液学表型呈小细胞低色素,HbA2增 高(B地贫)或降低(“地贫)而没有已知地贫基因型改变的样本, 包括4例珏地贫德确诊样本j}珏5侧B地贫德确诊样本。对于程地 贫德确诊样本,采取瓯、C‘2纂霆溺痔簿森泰絮豹点突变,采翅铮 对罕见缺失类趔的gap.PCRq≮0uthem blot和跨断裂点测序的方法 筛焱大片段缺必和确定精确的断裂位点。对于B地贫待确诊样本, 采惩§臻蛋鑫麓因全长溅净戆方法,筛焱泰知焘突变。逶逑上述 方法鉴定的新的突变基因采用RT-PCR方法研究突变对珠蛋自基
第一军医大学 硕士学位论文 两种导致中国人地中海贫血的新突变基因的鉴定 姓名:贾世奇 申请学位级别:硕士 专业:医学遗传学 指导教师:徐湘民
20040604
英文缩略词袭
英文缩写 bp
cm ℃ DNA dNTP
EB
嚣转i麓
G aap—PCR Hb kb L.i
M.min MCH
氛瑗C珏C
MCV
mg ml m
IVS-2.654(C-》T)、一28(A峥G)、CD71/72(+A)、135:CD26(G÷∞、
CDl7《A斗秘激为常觅。丽辩一些罕觅翡突变基茵魏伐邀贫基因 .带’1/aa、13地贫慕因CD37 TGG"-)TGA不断被报道,遮魑罕见突变 錾因类型是对常见突变的充实和必要补充,对于了解一个地区的 遮贫基毽突交漤,建立可蹙戆途贫基因诊獗菝拳其鸯熬要意义。 时罕见突变基图的鉴定,不断完善对地贫基因谱的认识将是一项 长期而连续的工作,需要机遇、职业敏感和不懈的努力。
haemoglobin chains and decrease ofhaemoglobin is the most coml/lOn monogenic inherited disease in the tropical and semitropical regions of
the world.It is a autosomal recessive inhelitance disease and is defined
徐湘民20040604英文缩略词袭英文缩写荚文全称中文全称bpcmdnadntpebaappcrhbkblimminmchmcvmgmlmmngnlodpcrparbcrpmltnabasepair碱基对centimeter厘米degreescentigrade摄氏发deoxyribonucleic脱氧援耱孩酸deoxyribonueleosidetriphosphate脱氧三磷酸核糖核ethylenediaminetetraaceticacid乙二黢器乙酸gramgravity克徽力加速度gappolymemsechainreaction跨越断裂点pcrhemoglobin血红鬣自kilobasemunite分钟meancorpuscularhemoglobin平均纽细胞血红鬣meancorpuscularvalume平均数细胞体积milligram毫克millilitermicrometer微升millimolarperliter毫摩尔没升nanogrampolymerasechainreaction聚合酶链反应powerofhydrogenpn值redbloodcell一红细胞recersedotblot反自袋杂交redbloodcelldistributivewidth红细稳分布宽凄指indexrevolutionperminute每分钟转速ribonuclcicacid核糖缓羧背景和目的地中海贫傲地贫趋种珠蛋白链合成比例失獭的单基因常染色体隐性遗传伐地贫主要由发生于16号染色体短臂末端旺珠缀白基因簇内包含n基因猩内的缺失引超少数由点突变引起趣贫主要由发生予位于ll譬染色俸短爨蛇13基因内的点突变g麓
all beta thatassemia genotypes in southern china.However there are still some novel or rare mutations occurred in alpha or beta
haemoglobin gene being found frequently.such as一一’7/m found in the alpha globin gene cluster and CD37 TGG-)TGA found in beta globin
型存在地域差异,如地中海沿岸国家a地贫以o 7/tm、一MEo/眦为
主,丽东南亚圊家以一sE“,(蛾、一证317/帆、,∥2庙啦为主。农我国,地
贫多发生予长江激蠢逸送,楚荚鞋广东、广器、海豢麓疑发,毡邀
贫基因型以缺必型突变一sE6/眠.Ct3。,呱。舻。恤为主,点突变毡csa/嗽
OCQ8a触也比较常见,B地贫突变类烈以CD41/42(.TCTT)、
反自袋杂交
red blood cell distributive width红细稳分布宽凄指
index
数
revolution per minute ribonuclcic acid
每分钟转速 核糖缓羧
2
攮
要
背景和目的
地中海贫傲(地贫)趋~种珠蛋白链合成比例失獭的单基因 遗侮癍,豢受镶臻蛋鑫豹不弼分隽程遮贫帮t3遗贫嚣大炎。均呈 常染色体隐性遗传,伐地贫主要由发生于16号染色体短臂末端旺 珠缀白基因簇内包含n基因猩内的缺失引超,少数由点突变引起, §趣贫主要由发生予位于ll-譬染色俸短爨蛇13基因内的点突变g} 麓。世界范围内遗贫分布予热带、亚热带缝区,并麓缝贫基因类
by alpha thalassemia and beta thalassemia according to the damage of alpha or beta haemoglobin synthesization.The genotype of alpha/beta
thalassemia is different from each other in different areas ofthe world.
is abnormal but genotype is‘normal’is tested further.That is,cord
Design and method:clnster sampling is used to collect samples. About 5606 cord blood samples and 7792 peripheml blood samples
were used in this study.We perform haematologicat analysis by blood
micrometer
微升
millimolarper liter
nanogram
micleotide
毫摩尔没升
纳克
核营酸
optical density
polymerase chain reaction
竞密嶷 聚合酶链反应
power ofhydrogen redblood cell
pn值 一红细胞
recerse dot blot
gap·PCR and DNA sequencing to identify the potential novel mutations.Semiquantitative method RT-PCR is used to measure the expression of these novel mutation genes in mRNA level after they are identified.
In china,the most common genotypes of alpha thalassemia are ~8EA/Ua、.ct3.7/aa、and.∥一/act,which caused by deletion,and
∥80t/e.a、≯8a/ea,which caused bY point mutation。And the most
communities ale two ways to identify the novel or rare mutation genes
causing thalassemia. Recently, we perform a epidemiological
investigation of alpha and beta thalassemia in EVe cities by phenotype method and gene diagnosis and a locale investigation in sihui city by
舞
munite
分钟
mean corpuscularhemoglobin
平均纽细胞血红鬣
白量
m凇corpuscular hemoglobin平缘缎缓施盘筑鬣
concentration
白浓殿
mean corpuscular valume milligram milliliter
平均数细胞体积 毫克 毫舞
cell counting and haemoglobin electrophoresis
and genotyping by
gap—PCR and RDB aimed at the common alpha and beta thalassemia
mutations in south china.The sample which haematolo#cal phenotype
ethidium bromide
溴化乙键
ethylenediamine tetraacetic acid gram,gravity gap polymemse chain reaction hemoglobin kilobase
乙二黢器|乙酸 克,徽力加速度 跨越断裂点PCR 血红鬣自 子碱慕辩
liter
簇因瓣发现丰察了地中海贫斑的基因类淤,加深了对中国人群中 魏贫类墅豹试识,为墓嚣诊辑提供了必鬟豹分子墓镶,目对为串 融人群地贫基因的分子进化机制的研究提供了参考。
关键诿
毡遮中海贫盘毅突变基因 §遣孛海贫搬凝突变基毽
DNA测序 Southern Blot RT-PCR 基因诊断
4
A器ST嚣AC薯
Background:Thalassemia caused by unbalance of alpha and beta
mM
ng
nl
OD pCR pa
黼RBC
l∞W
rpm ltNA
荚文全称
中文全称
base pair centimeter
碱基对 厘米
degree(s)centigrade
摄氏发
deoxyribonucleic
脱氧援耱孩酸
deoxyribonueleoside triphosphate 脱氧三磷酸核糖核
酸
导致地贫的罕见突变基强螅鉴定主要蠢2个来源。一是来源 予绉床瘸久,二是来源予大入群速贫基闲筛查。最:i篷,在我饲避 行的广东省5个中心城市a、D地贫流彳亍痫调查和四会市a、B地 贫现场调查的撼础上,获得糟干具有a或B地贫临床液型但采用 镑黠中国入露凳圭|羹贫类墼戆簇霞诊凝寒发现突变豹撵本,我销辩 这些样本进行了突变的鉴定和mRNA表达水平的研究。
Identification of novel or tale mutations of thalassemia is a long—term
and seriate work,which needs chance,Iceenn work.
Test patients with thalassemia trait and screening the people in
因功能的影响。
缝暴帮谗谂
获得了一种新的缺失¨+lkb包括n1、£t2基因在内的Gt地贫基 因和一种在中阐人群中首次发现的位于6珠蛋白基因启动子区一90 位瞧C'-)T突变基医,并在GeneBank淫冕晕,注煺号分别为: AY342392、AY260740。RT-PCR显示携带铰失1l。lkb豹镊突变辇
gene.These nova or l__re mntations ale of supplement to the common
mutations and importance for mapping the whole mutations of
thalassemia of a certain areas,which benefit to gene diagnosis.
common genotypes of beta thalassemia are CD41/42(·TCTT)、
IVS一2—654(C-->T)、一28(A砷G)、CD71/72(+A)、旷:CD26(G-->A)、
CDl7(AjT),which ale all point mutations and offer up 90%of the
而明显低于正常对照组;携带,90突变的B地贫患者其p珠蛋白基 瓣mRNA表这拳平饔显簿稳。魏羚,我们j丕获终了氆l鞣蛋鑫基嚣 密码子118饿斗TcA插入突交,并注册(GeneBank Accession
AY261678);程中国大陆首次发现了一。n协‰地贫类型。这些突变
5
the same method.In these works.we got some samples witll alpha or
beta thalassemia trait but no known mutations been found in these
samples.Then we used DNA mapping method such as southem blot,
设计和方法 采蔼整群攘样懿方法,对5605镶黪巍祥本霸7792镤婚硷祥
零逡行盘滚学表囊分聿厅结会审强入中鬻羹豹瓠8建贫鏊霾簿查毂 流行病学调查繁础上,获得衄液学表型呈小细胞低色素,HbA2增 高(B地贫)或降低(“地贫)而没有已知地贫基因型改变的样本, 包括4例珏地贫德确诊样本j}珏5侧B地贫德确诊样本。对于程地 贫德确诊样本,采取瓯、C‘2纂霆溺痔簿森泰絮豹点突变,采翅铮 对罕见缺失类趔的gap.PCRq≮0uthem blot和跨断裂点测序的方法 筛焱大片段缺必和确定精确的断裂位点。对于B地贫待确诊样本, 采惩§臻蛋鑫麓因全长溅净戆方法,筛焱泰知焘突变。逶逑上述 方法鉴定的新的突变基因采用RT-PCR方法研究突变对珠蛋自基
第一军医大学 硕士学位论文 两种导致中国人地中海贫血的新突变基因的鉴定 姓名:贾世奇 申请学位级别:硕士 专业:医学遗传学 指导教师:徐湘民
20040604
英文缩略词袭
英文缩写 bp
cm ℃ DNA dNTP
EB
嚣转i麓
G aap—PCR Hb kb L.i
M.min MCH
氛瑗C珏C
MCV
mg ml m
IVS-2.654(C-》T)、一28(A峥G)、CD71/72(+A)、135:CD26(G÷∞、
CDl7《A斗秘激为常觅。丽辩一些罕觅翡突变基茵魏伐邀贫基因 .带’1/aa、13地贫慕因CD37 TGG"-)TGA不断被报道,遮魑罕见突变 錾因类型是对常见突变的充实和必要补充,对于了解一个地区的 遮贫基毽突交漤,建立可蹙戆途贫基因诊獗菝拳其鸯熬要意义。 时罕见突变基图的鉴定,不断完善对地贫基因谱的认识将是一项 长期而连续的工作,需要机遇、职业敏感和不懈的努力。
haemoglobin chains and decrease ofhaemoglobin is the most coml/lOn monogenic inherited disease in the tropical and semitropical regions of
the world.It is a autosomal recessive inhelitance disease and is defined
徐湘民20040604英文缩略词袭英文缩写荚文全称中文全称bpcmdnadntpebaappcrhbkblimminmchmcvmgmlmmngnlodpcrparbcrpmltnabasepair碱基对centimeter厘米degreescentigrade摄氏发deoxyribonucleic脱氧援耱孩酸deoxyribonueleosidetriphosphate脱氧三磷酸核糖核ethylenediaminetetraaceticacid乙二黢器乙酸gramgravity克徽力加速度gappolymemsechainreaction跨越断裂点pcrhemoglobin血红鬣自kilobasemunite分钟meancorpuscularhemoglobin平均纽细胞血红鬣meancorpuscularvalume平均数细胞体积milligram毫克millilitermicrometer微升millimolarperliter毫摩尔没升nanogrampolymerasechainreaction聚合酶链反应powerofhydrogenpn值redbloodcell一红细胞recersedotblot反自袋杂交redbloodcelldistributivewidth红细稳分布宽凄指indexrevolutionperminute每分钟转速ribonuclcicacid核糖缓羧背景和目的地中海贫傲地贫趋种珠蛋白链合成比例失獭的单基因常染色体隐性遗传伐地贫主要由发生于16号染色体短臂末端旺珠缀白基因簇内包含n基因猩内的缺失引超少数由点突变引起趣贫主要由发生予位于ll譬染色俸短爨蛇13基因内的点突变g麓
all beta thatassemia genotypes in southern china.However there are still some novel or rare mutations occurred in alpha or beta
haemoglobin gene being found frequently.such as一一’7/m found in the alpha globin gene cluster and CD37 TGG-)TGA found in beta globin
型存在地域差异,如地中海沿岸国家a地贫以o 7/tm、一MEo/眦为
主,丽东南亚圊家以一sE“,(蛾、一证317/帆、,∥2庙啦为主。农我国,地
贫多发生予长江激蠢逸送,楚荚鞋广东、广器、海豢麓疑发,毡邀
贫基因型以缺必型突变一sE6/眠.Ct3。,呱。舻。恤为主,点突变毡csa/嗽
OCQ8a触也比较常见,B地贫突变类烈以CD41/42(.TCTT)、
反自袋杂交
red blood cell distributive width红细稳分布宽凄指
index
数
revolution per minute ribonuclcic acid
每分钟转速 核糖缓羧
2
攮
要
背景和目的
地中海贫傲(地贫)趋~种珠蛋白链合成比例失獭的单基因 遗侮癍,豢受镶臻蛋鑫豹不弼分隽程遮贫帮t3遗贫嚣大炎。均呈 常染色体隐性遗传,伐地贫主要由发生于16号染色体短臂末端旺 珠缀白基因簇内包含n基因猩内的缺失引超,少数由点突变引起, §趣贫主要由发生予位于ll-譬染色俸短爨蛇13基因内的点突变g} 麓。世界范围内遗贫分布予热带、亚热带缝区,并麓缝贫基因类
by alpha thalassemia and beta thalassemia according to the damage of alpha or beta haemoglobin synthesization.The genotype of alpha/beta
thalassemia is different from each other in different areas ofthe world.
is abnormal but genotype is‘normal’is tested further.That is,cord
Design and method:clnster sampling is used to collect samples. About 5606 cord blood samples and 7792 peripheml blood samples
were used in this study.We perform haematologicat analysis by blood
micrometer
微升
millimolarper liter
nanogram
micleotide
毫摩尔没升
纳克
核营酸
optical density
polymerase chain reaction
竞密嶷 聚合酶链反应
power ofhydrogen redblood cell
pn值 一红细胞
recerse dot blot
gap·PCR and DNA sequencing to identify the potential novel mutations.Semiquantitative method RT-PCR is used to measure the expression of these novel mutation genes in mRNA level after they are identified.
In china,the most common genotypes of alpha thalassemia are ~8EA/Ua、.ct3.7/aa、and.∥一/act,which caused by deletion,and
∥80t/e.a、≯8a/ea,which caused bY point mutation。And the most
communities ale two ways to identify the novel or rare mutation genes
causing thalassemia. Recently, we perform a epidemiological
investigation of alpha and beta thalassemia in EVe cities by phenotype method and gene diagnosis and a locale investigation in sihui city by
舞
munite
分钟
mean corpuscularhemoglobin
平均纽细胞血红鬣
白量
m凇corpuscular hemoglobin平缘缎缓施盘筑鬣
concentration
白浓殿
mean corpuscular valume milligram milliliter
平均数细胞体积 毫克 毫舞
cell counting and haemoglobin electrophoresis
and genotyping by
gap—PCR and RDB aimed at the common alpha and beta thalassemia
mutations in south china.The sample which haematolo#cal phenotype
ethidium bromide
溴化乙键
ethylenediamine tetraacetic acid gram,gravity gap polymemse chain reaction hemoglobin kilobase
乙二黢器|乙酸 克,徽力加速度 跨越断裂点PCR 血红鬣自 子碱慕辩
liter
簇因瓣发现丰察了地中海贫斑的基因类淤,加深了对中国人群中 魏贫类墅豹试识,为墓嚣诊辑提供了必鬟豹分子墓镶,目对为串 融人群地贫基因的分子进化机制的研究提供了参考。
关键诿
毡遮中海贫盘毅突变基因 §遣孛海贫搬凝突变基毽
DNA测序 Southern Blot RT-PCR 基因诊断
4
A器ST嚣AC薯
Background:Thalassemia caused by unbalance of alpha and beta
mM
ng
nl
OD pCR pa
黼RBC
l∞W
rpm ltNA
荚文全称
中文全称
base pair centimeter
碱基对 厘米
degree(s)centigrade
摄氏发
deoxyribonucleic
脱氧援耱孩酸
deoxyribonueleoside triphosphate 脱氧三磷酸核糖核
酸
导致地贫的罕见突变基强螅鉴定主要蠢2个来源。一是来源 予绉床瘸久,二是来源予大入群速贫基闲筛查。最:i篷,在我饲避 行的广东省5个中心城市a、D地贫流彳亍痫调查和四会市a、B地 贫现场调查的撼础上,获得糟干具有a或B地贫临床液型但采用 镑黠中国入露凳圭|羹贫类墼戆簇霞诊凝寒发现突变豹撵本,我销辩 这些样本进行了突变的鉴定和mRNA表达水平的研究。
Identification of novel or tale mutations of thalassemia is a long—term
and seriate work,which needs chance,Iceenn work.
Test patients with thalassemia trait and screening the people in
因功能的影响。
缝暴帮谗谂
获得了一种新的缺失¨+lkb包括n1、£t2基因在内的Gt地贫基 因和一种在中阐人群中首次发现的位于6珠蛋白基因启动子区一90 位瞧C'-)T突变基医,并在GeneBank淫冕晕,注煺号分别为: AY342392、AY260740。RT-PCR显示携带铰失1l。lkb豹镊突变辇
gene.These nova or l__re mntations ale of supplement to the common
mutations and importance for mapping the whole mutations of
thalassemia of a certain areas,which benefit to gene diagnosis.
common genotypes of beta thalassemia are CD41/42(·TCTT)、
IVS一2—654(C-->T)、一28(A砷G)、CD71/72(+A)、旷:CD26(G-->A)、
CDl7(AjT),which ale all point mutations and offer up 90%of the