0	13	Heterogeneity	Heterogeneity	NNP
14	16	of	of	IN
17	24	antigen	antigen	NN
25	34	molecules	molecule	NNS
35	45	recognized	recognize	VBN
46	48	by	by	IN
49	58	anti-tax1	anti-tax1	JJ
59	69	monoclonal	monoclonal	JJ
70	78	antibody	antibody	NN
79	83	Lt-4	lt-4	NN
84	86	in	in	IN
87	91	cell	cell	NN
92	97	lines	line	NNS
98	105	bearing	bear	VBG
106	111	human	human	JJ
112	113	T	t	NN
114	118	cell	cell	NN
119	127	leukemia	leukemia	NN
128	133	virus	virus	NN
134	138	type	type	NN
139	140	I	i	CD
141	144	and	and	CC
145	152	related	relate	VBN
153	165	retroviruses	retrovirus	NNS
165	166	.	.	.

168	173	Using	use	VBG
174	175	a	a	DT
176	186	monoclonal	monoclonal	JJ
187	195	antibody	antibody	NN
195	196	,	,	,
197	201	Lt-4	lt-4	NN
201	202	,	,	,
203	211	directed	direct	VBN
212	219	against	against	IN
220	225	human	human	JJ
226	227	T	t	NN
228	232	cell	cell	NN
233	241	leukemia	leukemia	NN
242	247	virus	virus	NN
248	252	type	type	NN
253	254	I	i	CD
255	256	(	(	(
256	262	HTLV-I	HTLV-I	NNP
262	263	)	)	)
264	279	trans-activator	trans-activator	NN
280	281	(	(	(
281	285	tax1	tax1	NN
285	286	)	)	)
287	294	antigen	antigen	NN
294	295	,	,	,
296	298	we	we	PRP
299	307	examined	examine	VBD
308	311	the	the	DT
312	322	expression	expression	NN
323	325	of	of	IN
326	330	tax1	tax1	NN
331	334	and	and	CC
335	342	related	related	JJ
343	351	antigens	antigen	NNS
352	354	in	in	IN
355	356	a	a	DT
357	364	variety	variety	NN
365	367	of	of	IN
368	369	T	t	NN
370	374	cell	cell	NN
375	380	lines	line	NNS
381	388	bearing	bear	VBG
389	395	HTLV-I	HTLV-I	NNP
396	399	and	and	CC
400	407	related	related	JJ
408	420	retroviruses	retrovirus	NNS
420	421	,	,	,
422	428	simian	simian	JJ
429	430	T	t	NN
431	435	cell	cell	NN
436	444	leukemia	leukemia	NN
445	450	virus	virus	NN
451	455	type	type	NN
456	457	I	i	CD
458	459	(	(	(
459	465	STLV-I	STLV-I	NNP
465	466	)	)	)
467	470	and	and	CC
471	478	HTLV-II	HTLV-II	NNP
478	479	,	,	,
480	482	by	by	IN
483	501	immunofluorescence	immunofluorescence	NN
502	505	and	and	CC
506	516	immunoblot	immunoblot	NN
517	523	assays	assay	NNS
523	524	.	.	.

525	529	Lt-4	lt-4	NN
530	537	reacted	react	VBD
538	542	with	with	IN
543	546	all	all	DT
547	561	HTLV-I-bearing	htlv-i-bearing	JJ
562	566	cell	cell	NN
567	572	lines	line	NNS
573	579	tested	test	VBN
580	583	and	and	CC
584	588	five	five	CD
589	592	out	out	IN
593	595	of	of	IN
596	601	eight	eight	CD
602	608	simian	simian	JJ
609	613	cell	cell	NN
614	619	lines	line	NNS
620	627	bearing	bear	VBG
628	634	STLV-I	STLV-I	NNP
634	635	,	,	,
636	639	but	but	CC
640	643	not	not	RB
644	648	with	with	IN
649	651	an	an	DT
652	667	HTLV-II-bearing	htlv-ii-bearing	NN
668	672	cell	cell	NN
673	677	line	line	NN
677	678	.	.	.

679	683	Lt-4	lt-4	NN
684	692	detected	detect	VBD
693	695	40	40	CD
696	698	kd	kd	NN
699	703	tax1	tax1	NN
704	711	antigen	antigen	NN
712	721	molecules	molecule	NNS
722	724	in	in	IN
725	729	most	most	JJS
730	744	HTLV-I-bearing	htlv-i-bearing	NN
745	749	cell	cell	NN
750	755	lines	line	NNS
756	762	except	except	IN
763	766	one	one	CD
767	771	cell	cell	NN
772	776	line	line	NN
777	781	that	that	WDT
782	791	expressed	express	VBD
792	794	39	39	CD
795	797	kd	kd	NN
798	802	tax1	tax1	NN
803	810	antigen	antigen	NN
810	811	.	.	.

812	814	In	in	IN
815	818	the	the	DT
819	833	STLV-I-bearing	stlv-i-bearing	JJ
834	835	T	t	NN
836	840	cell	cell	NN
841	846	lines	line	NNS
846	847	,	,	,
848	860	tax1-related	tax1-related	JJ
861	868	antigen	antigen	NN
869	878	molecules	molecule	NNS
879	887	detected	detect	VBN
888	890	by	by	IN
891	895	Lt-4	lt-4	NN
896	900	were	be	VBD
901	914	heterogeneous	heterogeneous	JJ
914	915	,	,	,
916	922	having	have	VBG
923	932	molecular	molecular	JJ
933	940	weights	weight	NNS
941	943	in	in	IN
944	947	the	the	DT
948	953	range	range	NN
954	956	of	of	IN
957	962	36-41	36-41	CD
963	965	kd	kd	NN
965	966	.	.	.